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[Toscolana (i.e. Toscolano) Valley, roads and tunnels, Lake Garda, Italy]

[Toscolana (i.e. Toscolano) Valley, roads and tunnels, Lake Garda, Ita...

Title from the Detroit Publishing Co., Catalogue J foreign section, Detroit, Mich. : Detroit Publishing Company, 1905. Print no. "16994". More information about the Photochrom Print Collection is available at h... More

Sinking last tubular section, Detroit River tunnel

Sinking last tubular section, Detroit River tunnel

Picryl description: Public domain image of a historic building in Detroit, Michigan, free to use, no copyright restrictions.

Hiss och pumpmaskin i avloppstunneln.

Hiss och pumpmaskin i avloppstunneln.

Hiss och pumpmaskin i avloppstunneln. Public domain photograph - Sweden in late 19th - early 20th centuries, free to use, no copyright restrictions image - Picryl description

Kilbirnie Tunnel Wellington N.Z. [Mt Victoria Bus Tunnel] - Muir & Moodie

Kilbirnie Tunnel Wellington N.Z. [Mt Victoria Bus Tunnel] - Muir & Moo...

Public domain photo of vintage New Zealand postcard, 19th century, free to use, no copyright restrictions image - Picryl description.

[Detroit River tunnel, Detroit, Mich.]

[Detroit River tunnel, Detroit, Mich.]

Public domain photograph of the train tunnel, railroad, train track, free to use, no copyright restrictions image - Picryl description

LaSalle St. Tunnel - looking south from north end of Twin Bore

LaSalle St. Tunnel - looking south from north end of Twin Bore

Subway tunnel, Chicago, Illinois. J169707 U.S. Copyright Office. Copyright by Wm. M. Christie, LaGrange, Ill. M.H. McGovern Co. - Jas. A. Green, Pres. No. 15602. Previously misidentified as Philadelphia. Trans... More

Dubbelspårsbyggnaden mellan Alingsås - Olskroken. Ubbaredstunneln på linjen Floda - Norsesund. Västra inslaget till östra tunneln. Gjutningen färdig.

Dubbelspårsbyggnaden mellan Alingsås - Olskroken. Ubbaredstunneln på l...

Dubbelspårsbyggnaden mellan Alingsås - Olskroken. Ubbaredstunneln på linjen Floda - Norsesund. Västra inslaget till östra tunneln. Gjutningen färdig.

Nässjö. Provisorisk bro under tunnelns byggnadstid (Sedd underifrån)

Nässjö. Provisorisk bro under tunnelns byggnadstid (Sedd underifrån)

Nässjö. Provisorisk bro under tunnelns byggnadstid (Sedd underifrån)

Gångtunnel vid Storgatan i Falkenberg.

Gångtunnel vid Storgatan i Falkenberg.

Gångtunnel vid Storgatan i Falkenberg. Public domain photograph - Sweden in late 19th - early 20th centuries, free to use, no copyright restrictions image - Picryl description

Rotherhithe Tunnel, London, gelatin silver print

Rotherhithe Tunnel, London, gelatin silver print

Picryl description: Public domain image of an arch stone structure, bridge, or tunnel, free to use, no copyright restrictions.

Bouw Maastunnel Rotterdam. Zuid Holland

Bouw Maastunnel Rotterdam. Zuid Holland

De ondertunneling is bijna voltooid Public domain photograph related to Dutch photo, Netherlands history, free to use, no copyright restrictions image - Picryl description

NACA Ames Aeronautical Laboratory aerial; 16ft, 7X10ft#1, 7x10ft#2 wind tunnels, Technical Services Bldg N-220, Utilities later Electrical Services Bldg N-219 and construction on the Science Laboratory, later Engineering Services Bldg N-203 ARC-1941-AAL-1731

NACA Ames Aeronautical Laboratory aerial; 16ft, 7X10ft#1, 7x10ft#2 win...

NACA Ames Aeronautical Laboratory aerial; 16ft, 7X10ft#1, 7x10ft#2 wind tunnels, Technical Services Bldg N-220, Utilities later Electrical Services Bldg N-219 and construction on the Science Laboratory, later E... More

Albany, California. Worker dumping chopped, blanched cabbage into a drying vat. The cabbage is partially dried in this vat before going into the dehydration tunnels or cabinets

Albany, California. Worker dumping chopped, blanched cabbage into a dr...

Picryl description: Public domain image of a worker, labor, factory, plant, manufacture, industrial facility, 1930s, mid-20th-century industrial photo, free to use, no copyright restrictions.

Compagnie des chemins de fer de Paris à Lyon et à la Méditerranée, PLM 161 CE 8.Linje med persontåg vid järnvägstunnel genom berg.

Compagnie des chemins de fer de Paris à Lyon et à la Méditerranée, PLM...

Compagnie des chemins de fer de Paris à Lyon et à la Méditerranée, PLM 161 CE 8.Linje med persontåg vid järnvägstunnel genom berg.

Stockholm C Järna - Stockholm Centralstation, jultrafik.

Stockholm C Järna - Stockholm Centralstation, jultrafik.

Stockholm Centralstation, jultrafik. Public domain photograph of the train tunnel, railroad, train track, free to use, no copyright restrictions image - Picryl description

Bouw IJtunnel bij Prins Hendrikkade , bij de Adelaarsweg

Bouw IJtunnel bij Prins Hendrikkade , bij de Adelaarsweg

Bouw IJtunnel bij Prins Hendrikkade , bij de Adelaarsweg bezig met beton storten

Koningin Juliana opent de Coentunnel

Koningin Juliana opent de Coentunnel

Het gezelschap loopt naar de tunnel Public domain photograph - 1966 by The Algemeen Nederlandsch Fotobureau (ANeFo), also known as the General Dutch Photo Bureau, a Dutch photography agency, Netherlands. - Pic... More

Opening IJ tunnel door koningin Juliana koningin Juliana

Opening IJ tunnel door koningin Juliana koningin Juliana

Opening IJ tunnel door koningin Juliana koningin Juliana verricht de officiele opening door op knop te drukken

Central Pacific Railroad, Clipper Gap Tunnel, Clipper Gap, Placer County, CA

Central Pacific Railroad, Clipper Gap Tunnel, Clipper Gap, Placer Coun...

Survey number: HAER CA-30 Building/structure dates: ca. 1875 Initial Construction

Voetgangersonderdoorgangen bij Waterlooplein en Mr.

Voetgangersonderdoorgangen bij Waterlooplein en Mr.

Voetgangersonderdoorgangen bij Waterlooplein en Mr. Visserplein , Amsterdam Public domain photograph - 1971 by The Algemeen Nederlandsch Fotobureau (ANeFo), also known as the General Dutch Photo Bureau, a Dutc... More

EXTERIOR VIEWS OF SUBSTATIONS AND TUNNELS PHOTOGRAPHED FROM A CHERRY PICKER

EXTERIOR VIEWS OF SUBSTATIONS AND TUNNELS PHOTOGRAPHED FROM A CHERRY P...

The original finding aid described this as: Capture Date: 10/29/1974 Photographer: DONALD HUEBLER Keywords: Larsen Scan Photographs Relating to Agency Activities, Facilities and Personnel

EXTERIOR VIEWS OF SUBSTATIONS AND TUNNELS PHOTOGRAPHED FROM A CHERRY PICKER

EXTERIOR VIEWS OF SUBSTATIONS AND TUNNELS PHOTOGRAPHED FROM A CHERRY P...

The original finding aid described this as: Capture Date: 10/29/1974 Photographer: DONALD HUEBLER Keywords: Larsen Scan Photographs Relating to Agency Activities, Facilities and Personnel

Box Canyon Tunnel, Through spur of Stevens Ridge at Box Canyon on Stevens Canyon Highway, Packwood, Lewis County, WA

Box Canyon Tunnel, Through spur of Stevens Ridge at Box Canyon on Stev...

Picryl description: Public domain image of an arch stone structure, bridge, or tunnel, free to use, no copyright restrictions.

NASA Ames National Full-Scale Aerodynamic Facility (40x80x120ft Wind Tunnels & Outdoor Aerodynamic Research Facility - OARF) 1987 NFAC dedication - middle Dale Compton, on right Mas Omura ARC-1987-AC87-0885-68

NASA Ames National Full-Scale Aerodynamic Facility (40x80x120ft Wind T...

NASA Ames National Full-Scale Aerodynamic Facility (40x80x120ft Wind Tunnels & Outdoor Aerodynamic Research Facility - OARF) 1987 NFAC dedication - middle Dale Compton, on right Mas Omura

STS055-255-015 - STS-055 - View of the D-2 Spacelab access tunnel interior, air lock and stowage bags.

STS055-255-015 - STS-055 - View of the D-2 Spacelab access tunnel inte...

The original finding aid described this as: Description: View of the D-2 Spacelab access tunnel interior, middeck air lock and stowage bags. Subject Terms: STS-55, COLUMBIA (ORBITER), MIDDECK, MANNED ORBITAL ... More

STS058-76-033 - STS-058 - Earth observations during STS-58

STS058-76-033 - STS-058 - Earth observations during STS-58

The original finding aid described this as: Description: The Earth, observed from the Orbiter Columbia during STS-58. Includes views of the transfer tunnel in Columbia's payload bay (041-045). Earth views incl... More

STS058-76-064 - STS-058 - Earth observations during STS-58

STS058-76-064 - STS-058 - Earth observations during STS-58

The original finding aid described this as: Description: The Earth, observed from the Orbiter Columbia during STS-58. Includes views of the transfer tunnel in Columbia's payload bay (041-045). Earth views incl... More

STS058-76-051 - STS-058 - Earth observations during STS-58

STS058-76-051 - STS-058 - Earth observations during STS-58

The original finding aid described this as: Description: The Earth, observed from the Orbiter Columbia during STS-58. Includes views of the transfer tunnel in Columbia's payload bay (041-045). Earth views incl... More

STS055-255-020 - STS-055 - View of the D-2 Spacelab access tunnel interior, air lock and stowage bags.

STS055-255-020 - STS-055 - View of the D-2 Spacelab access tunnel inte...

The original finding aid described this as: Description: View of the D-2 Spacelab access tunnel interior, middeck air lock and stowage bags. Subject Terms: STS-55, COLUMBIA (ORBITER), MIDDECK, MANNED ORBITAL ... More

STS058-76-053 - STS-058 - Earth observations during STS-58

STS058-76-053 - STS-058 - Earth observations during STS-58

The original finding aid described this as: Description: The Earth, observed from the Orbiter Columbia during STS-58. Includes views of the transfer tunnel in Columbia's payload bay (041-045). Earth views incl... More

STS-65 Payload Specialist Mukai enters IML-2 spacelab module aboard OV-102

STS-65 Payload Specialist Mukai enters IML-2 spacelab module aboard OV...

STS065-214-037 (8-23 July 1994) --- Ready to begin one of her busy twelve hour shifts, payload specialist Dr. Chiaki Naito-Mukai enters the International Microgravity Laboratory (IML-2) science module in the ca... More

STS073-143-004 - STS-073 - Pilot Kent Rominger and Payload Specialist Al Sacco in the Spacelab

STS073-143-004 - STS-073 - Pilot Kent Rominger and Payload Specialist ...

The original finding aid described this as: Description: STS-73 Pilot Kent Rominger and Payload Specialist Albert Sacco in the Spacelab located in the payload bay of the shuttle Columbia. Sacco floats in the t... More

STS073-143-003 - STS-073 - Pilot Kent Rominger and Payload Specialist Al Sacco in the Spacelab

STS073-143-003 - STS-073 - Pilot Kent Rominger and Payload Specialist ...

The original finding aid described this as: Description: STS-73 Pilot Kent Rominger and Payload Specialist Albert Sacco in the Spacelab located in the payload bay of the shuttle Columbia. Sacco floats in the t... More

STS079-354-014 - STS-079 - Astronaut Readdy moves gyrodyne through transfer tunnel

STS079-354-014 - STS-079 - Astronaut Readdy moves gyrodyne through tra...

The original finding aid described this as: Description: STS-79 mission commander William Readdy moves a gyrodyne in front of him through the transfer tunnel toward the Mir space station. Subject Terms: ASTRO... More

STS079-332-013 - STS-079 - Astronaut Lucid on in Spacehab and transfer tunnel

STS079-332-013 - STS-079 - Astronaut Lucid on in Spacehab and transfer...

The original finding aid described this as: Description: STS-79 mission Shannon Lucid is photographed surrounded by stowage items in their racks in the Spacehab module. Subject Terms: ASTRONAUTS, SPACEHAB, TU... More

STS078-354-003 - STS-078 - STS-78 crew attempts a crew portrait in the Spacelab tunnel adapter hatch

STS078-354-003 - STS-078 - STS-78 crew attempts a crew portrait in the...

The original finding aid described this as: Description: STS-78 crew attempts a crew portrait in the Spacelab tunnel adapter hatch. Missing from the group is Pilot Kevin Kregel. Subject Terms: STS-78, COLUMBI... More

STS076-461-025 - STS-076 - Views inside the Mir Space Station and shuttle adapter tunnels

STS076-461-025 - STS-076 - Views inside the Mir Space Station and shut...

The original finding aid described this as: Description: Views inside the Mir Space Station possibly the Kristall module. Subject Terms: STS-76, ATLANTIS (ORBITER), MIR SPACE STATION, AIR LOCKS, EXTRAVEHICULA... More

STS076-312-034 - STS-076 - Spacehab stowage and tunnel documentation views

STS076-312-034 - STS-076 - Spacehab stowage and tunnel documentation v...

The original finding aid described this as: Description: Documentation views of the Spacehab module after transfer of supplies to and from Mir Space Station. Subject Terms: STS-76, ATLANTIS (ORBITER), SPACEHA... More

STS096-392-029 - STS-096 - MS Jernigan holding checklist in transfer tunnel

STS096-392-029 - STS-096 - MS Jernigan holding checklist in transfer t...

The original finding aid described this as: Description: STS-96 Tamara Jernigan is photographed in the entrance to the transfer tunnel, holding a checklist. Subject Terms: ASTRONAUTS, TUNNELS, ONBOARD ACTIVIT... More

New York, Oct. 3, 2013 --The Battery Park Underpass was inundated by the storm surge from Hurricane Sandy. The U.S. Army Corps of Engineers was charged with de-watering the tunnels. K.C.Wilsey/FEMA

New York, Oct. 3, 2013 --The Battery Park Underpass was inundated by t...

The original finding aid described this as: Date Taken: 2012-11-04 00:00:00 UTC Photographer Name: Kenneth Wilsey Disasters: New York Hurricane Sandy (DR-4085) Disaster Types: Coastal Storm ^ Flooding ^ Hur... More

A tunnel on the side of a mountain. Mountain tunnels road.

A tunnel on the side of a mountain. Mountain tunnels road.

Stock photo: The road to the tunnel / A tunnel on the side of a mountain.

[Portal.] Massachusetts stereoscope card collection, NYPL

[Portal.] Massachusetts stereoscope card collection, NYPL

Public domain photograph of a mountain pass, mountains, nature, mountain range, view, landscape, rocks, free to use, no copyright restrictions - Picryl description

Construction view of the east side.

Construction view of the east side.

Massachusetts stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker wh... More

West entrance of arch. Massachusetts stereoscope card collection, NYPL

West entrance of arch. Massachusetts stereoscope card collection, NYPL

Picryl description: Public domain image of an arch stone structure, bridge, or tunnel, free to use, no copyright restrictions.

Dam on the Deerfield. Massachusetts stereoscope card collection, NYPL

Dam on the Deerfield. Massachusetts stereoscope card collection, NYPL

Massachusetts stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker wh... More

East end--miners going in. Massachusetts stereoscope card collection, NYPL

East end--miners going in. Massachusetts stereoscope card collection, ...

Massachusetts stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker wh... More

West entrance of arch looking out.

West entrance of arch looking out.

Picryl description: Public domain image of ruins, historic place, landmark, classical architecture, free to use, no copyright restrictions.

Miners descending the west shaft. Massachusetts stereoscope card collection, NYPL

Miners descending the west shaft. Massachusetts stereoscope card colle...

Massachusetts stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker wh... More

Central shaft 583 feet deep, showing new buildings.

Central shaft 583 feet deep, showing new buildings.

Picryl description: Public domain image of railroad tracks, railway, train car, free to use, no copyright restrictions.

Construction of brick lined tunnel(GN03586)

Construction of brick lined tunnel(GN03586)

The aerial view 5858 shows the cutting leading to the old bridge clearly. (G Brooks)

Board Tree Tunnel, Littleton, Wetzel County, WV

Board Tree Tunnel, Littleton, Wetzel County, WV

Significance: The Board Tree Tunnel is one of the first major railroad tunnels in the United States. The tunnel along with the original B&O line from Baltimore to Wheeling is a tribute to three important 19th ... More

Santa Ana River Hydroelectric System, Abandoned Tunnel, Redlands, San Bernardino County, CA

Santa Ana River Hydroelectric System, Abandoned Tunnel, Redlands, San ...

Survey number: HAER CA-130-R Building/structure dates: 1898 Initial Construction Building/structure dates: 1905 Subsequent Work Building/structure dates: 1904 Subsequent Work

Great Smoky Mountains National Park Roads & Bridges, Foothills Parkway, From Chilowee to Walland & from Cosby to I-40, Gatlinburg, Sevier County, TN

Great Smoky Mountains National Park Roads & Bridges, Foothills Parkway...

Significance: The Foothills Parkway originated from the federal government's decision to locate the Blue Ridge Parkway in North Carolina. Both North Carolina and Tennessee lobbied for the road, and with the an... More

Nay Aug Tunnel, Scranton, Pennsylvania - Public domain image. Dry plate negative.

Nay Aug Tunnel, Scranton, Pennsylvania - Public domain image. Dry plat...

Picryl description: Public domain image of an arch stone structure, bridge, or tunnel, free to use, no copyright restrictions.

Chesapeake & Ohio Canal, Paw-Paw Tunnel, 155.2 - 155.8 miles above tidewater, Oldtown, Allegany County, MD

Chesapeake & Ohio Canal, Paw-Paw Tunnel, 155.2 - 155.8 miles above tid...

See HABS No. DC-147 for list of other C&O Canal structures. Survey number: HABS MD-810

Naval Magazine Lualualei, Waikele Branch, Tunnel Magazine Type, Waikakalaua & Kipapa Gulches, Pearl City, Honolulu County, HI

Naval Magazine Lualualei, Waikele Branch, Tunnel Magazine Type, Waikak...

Significance: These tunnel structures serve as excellent examples of unique military construction from the 1940s, and are significant as part of the World War II era base construction. Survey number: HABS HI-262

Naval Magazine Lualualei, Waikele Branch, Tunnel Magazine Type, Waikakalaua & Kipapa Gulches, Pearl City, Honolulu County, HI

Naval Magazine Lualualei, Waikele Branch, Tunnel Magazine Type, Waikak...

Significance: These tunnel structures serve as excellent examples of unique military construction from the 1940s, and are significant as part of the World War II era base construction. Survey number: HABS HI-262

Naval Magazine Lualualei, Waikele Branch, Tunnel Magazine Type, Waikakalaua & Kipapa Gulches, Pearl City, Honolulu County, HI

Naval Magazine Lualualei, Waikele Branch, Tunnel Magazine Type, Waikak...

Significance: These tunnel structures serve as excellent examples of unique military construction from the 1940s, and are significant as part of the World War II era base construction. Survey number: HABS HI-262

Santa Ana River Hydroelectric System, Flumes & Tunnels below Sandbox, Redlands, San Bernardino County, CA

Santa Ana River Hydroelectric System, Flumes & Tunnels below Sandbox, ...

Survey number: HAER CA-130-G Building/structure dates: 1898 Initial Construction Building/structure dates: 1905 Subsequent Work Building/structure dates: 1904 Subsequent Work

West Side Tunnel, On Going-to-the-Sun Road Northeast of West Glacier Entrance, West Glacier, Flathead County, MT

West Side Tunnel, On Going-to-the-Sun Road Northeast of West Glacier E...

Significance: The West Side Tunnel is one of approximately seventeen prominent masonry and concrete structures on Going-to-the-Sun Road in Glacier National Park. The 51-mile stretch of scenic road is significa... More

Salinas River Project, Cuesta Tunnel, Southeast of U.S. 101, San Luis Obispo, San Luis Obispo County, CA

Salinas River Project, Cuesta Tunnel, Southeast of U.S. 101, San Luis ...

Significance: The Cuesta Tunnel is important as an example of the heroic engineering and construction undertaken by the U.S. Army Quartermaster Corps in the early 1940s as part of the mobilization of American f... More

Salinas River Project, Cuesta Tunnel, Southeast of U.S. 101, San Luis Obispo, San Luis Obispo County, CA

Salinas River Project, Cuesta Tunnel, Southeast of U.S. 101, San Luis ...

Significance: The Cuesta Tunnel is important as an example of the heroic engineering and construction undertaken by the U.S. Army Quartermaster Corps in the early 1940s as part of the mobilization of American f... More

Second Tunnel, Grand River Canyon, Colo.

Second Tunnel, Grand River Canyon, Colo.

Picryl description: Public domain photo of vintage Colorado postcard, free to use, no copyright restrictions image.

Hoosac Tunnel--interior view. Massachusetts stereoscope card collection, NYPL

Hoosac Tunnel--interior view. Massachusetts stereoscope card collectio...

Picryl description: Public domain image of an arch stone structure, bridge, or tunnel, free to use, no copyright restrictions.

Entrance to tunnel, west end. Massachusetts stereoscope card collection, NYPL

Entrance to tunnel, west end. Massachusetts stereoscope card collectio...

Massachusetts stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker wh... More

Great Smoky Mountains National Park Roads & Bridges, Northshore Road, 1 mile spur at Fontana Dam & Bryson City to Noland Creek, Gatlinburg, Sevier County, TN

Great Smoky Mountains National Park Roads & Bridges, Northshore Road, ...

Picryl description: Public domain image of an arch stone structure, bridge, or tunnel, free to use, no copyright restrictions.

Montezuma Valley Irrigation Company System, Tunnel, Dolores, Montezuma County, CO

Montezuma Valley Irrigation Company System, Tunnel, Dolores, Montezuma...

Survey number: HAER CO-4-A Building/structure dates: ca. 1885 Initial Construction

Figueroa Street Tunnels, Mileposts 24.90, 25.14, 25.28, & 25.37 on Arroyo Seco Parkway, Los Angeles, Los Angeles County, CA

Figueroa Street Tunnels, Mileposts 24.90, 25.14, 25.28, & 25.37 on Arr...

Survey number: HAER CA-265-G Public domain photograph - historical image of California, United States, free to use, no copyright restrictions image - Picryl description

Wawona Tunnel, Wawona Road through Turtleback Dome, Yosemite Village, Mariposa County, CA

Wawona Tunnel, Wawona Road through Turtleback Dome, Yosemite Village, ...

part of Yosemite National Park Roads and Bridges Recording Project, 1991; see HAER No. CA-117 for overview Significance: The longest vehicular tunnel in the western United States at the time of construction, th... More

Fair Lane, Powerhouse, 4901 Evergreen Road, Dearborn, Wayne County, MI

Fair Lane, Powerhouse, 4901 Evergreen Road, Dearborn, Wayne County, MI

Public domain scan of an architecture diagram, architectural drawing, building plan, or design, free to use, no copyright restrictions - Picryl description.

Nay Aug tunnel, Scranton, Pennsylvania - Public domain image. Dry plate negative.

Nay Aug tunnel, Scranton, Pennsylvania - Public domain image. Dry plat...

Public domain image of a train station in Boston, Massachusetts, free to use, no copyright restrictions - Picryl description

Zion-Mount Carmel Highway, Tunnel, Two miles east of Zion Canyon Scenic Drive, Springdale, Washington County, UT

Zion-Mount Carmel Highway, Tunnel, Two miles east of Zion Canyon Sceni...

Significance: The 5,613-foot long, rock-faced Zion-Mount Carmel Tunnel with concrete spines was completed in 1930 and retains structural integrity. It is one of the most spectacular manmade sites at Zion Natio... More

Zion-Mount Carmel Highway, Tunnel, Two miles east of Zion Canyon Scenic Drive, Springdale, Washington County, UT

Zion-Mount Carmel Highway, Tunnel, Two miles east of Zion Canyon Sceni...

Significance: The 5,613-foot long, rock-faced Zion-Mount Carmel Tunnel with concrete spines was completed in 1930 and retains structural integrity. It is one of the most spectacular manmade sites at Zion Natio... More

Zion-Mount Carmel Highway, Tunnel, Two miles east of Zion Canyon Scenic Drive, Springdale, Washington County, UT

Zion-Mount Carmel Highway, Tunnel, Two miles east of Zion Canyon Sceni...

Significance: The 5,613-foot long, rock-faced Zion-Mount Carmel Tunnel with concrete spines was completed in 1930 and retains structural integrity. It is one of the most spectacular manmade sites at Zion Natio... More

Forts Baker-Barry Tunnel, Under Lime Point Ridge on Bunker Road, Sausalito, Marin County, CA

Forts Baker-Barry Tunnel, Under Lime Point Ridge on Bunker Road, Sausa...

Public domain photograph - historical image of California, United States, free to use, no copyright restrictions image - Picryl description

Forts Baker-Barry Tunnel, Under Lime Point Ridge on Bunker Road, Sausalito, Marin County, CA

Forts Baker-Barry Tunnel, Under Lime Point Ridge on Bunker Road, Sausa...

Picryl description: Public domain image of an arch stone structure, bridge, or tunnel, free to use, no copyright restrictions.

Great Smoky Mountains National Park Roads & Bridges, Gatlinburg, Sevier County, TN

Great Smoky Mountains National Park Roads & Bridges, Gatlinburg, Sevie...

Significance: The transportation system of Great Smoky Mountains is representative of NPS park road designs throughout the country. Much of the construction work was undertaken by the Civilian Conservation Cor... More

Great Smoky Mountains National Park Roads & Bridges, Gatlinburg, Sevier County, TN

Great Smoky Mountains National Park Roads & Bridges, Gatlinburg, Sevie...

Significance: The transportation system of Great Smoky Mountains is representative of NPS park road designs throughout the country. Much of the construction work was undertaken by the Civilian Conservation Cor... More

Great Smoky Mountains National Park Roads & Bridges, Gatlinburg, Sevier County, TN

Great Smoky Mountains National Park Roads & Bridges, Gatlinburg, Sevie...

Significance: The transportation system of Great Smoky Mountains is representative of NPS park road designs throughout the country. Much of the construction work was undertaken by the Civilian Conservation Cor... More

Big Oak Flat Road Tunnel No. 1, Through mountain spur on New Big Oak Flat Road, Yosemite Village, Mariposa County, CA

Big Oak Flat Road Tunnel No. 1, Through mountain spur on New Big Oak F...

Picryl description: Public domain image of an arch stone structure, bridge, or tunnel, free to use, no copyright restrictions.

Big Oak Flat Road Tunnel No. 1, Through mountain spur on New Big Oak Flat Road, Yosemite Village, Mariposa County, CA

Big Oak Flat Road Tunnel No. 1, Through mountain spur on New Big Oak F...

Picryl description: Public domain image of a mountain cliff view, natural rocky landscape, free to use, no copyright restrictions.

Pointed Butte Pueblito, Cibola Canyon, Dulce, Rio Arriba County, NM

Pointed Butte Pueblito, Cibola Canyon, Dulce, Rio Arriba County, NM

Significance: The pueblitos are small multi-roomed masonry dwellings found in the Navajo homeland, or Dinetah region of northwest New Mexico. Dating from the early 17th century, the pueblitos are significant in... More

Rim Rock Drive, Fruita, Mesa County, CO

Rim Rock Drive, Fruita, Mesa County, CO

Unprocessed Field note material exists for this structure: N935 Survey number: HAER CO-29 National Register of Historic Places NRIS Number: 94000310

Mile Rock Tunnel, Under Forty-eighth Avenue from Cabrillo Street to San Francisco Bay at Point Lobos, San Francisco, San Francisco County, CA

Mile Rock Tunnel, Under Forty-eighth Avenue from Cabrillo Street to Sa...

Significance: The Mile Rock tunnel was constructed in 1914 and 1915 and is an example of the whole-scale reconstruction and reconfiguration of the City of San Francisco's public works system that occurred follo... More

Mile Rock Tunnel, Under Forty-eighth Avenue from Cabrillo Street to San Francisco Bay at Point Lobos, San Francisco, San Francisco County, CA

Mile Rock Tunnel, Under Forty-eighth Avenue from Cabrillo Street to Sa...

Significance: The Mile Rock tunnel was constructed in 1914 and 1915 and is an example of the whole-scale reconstruction and reconfiguration of the City of San Francisco's public works system that occurred follo... More

Mile Rock Tunnel, Under Forty-eighth Avenue from Cabrillo Street to San Francisco Bay at Point Lobos, San Francisco, San Francisco County, CA

Mile Rock Tunnel, Under Forty-eighth Avenue from Cabrillo Street to Sa...

Significance: The Mile Rock tunnel was constructed in 1914 and 1915 and is an example of the whole-scale reconstruction and reconfiguration of the City of San Francisco's public works system that occurred follo... More

Colonial Parkway, Williamsburg Tunnel, .3 mile south of C&O Railroad underpass, Yorktown, York County, Virginia

Colonial Parkway, Williamsburg Tunnel, .3 mile south of C&O Railroad u...

Significance: Built using the cut-and-cover method, the Williamsburg Tunnel journeyed through the heart of the restoration of Colonial Williamsburg. Although the builder's inexperience caused numerous delays a... More

Historic Columbia River Highway, Mosier Twin Tunnels, East of Mosier, Troutdale, Multnomah County, OR

Historic Columbia River Highway, Mosier Twin Tunnels, East of Mosier, ...

Significance: The only set of highway tunnels with adits or windows in Oregon. One of the few examples of this type of tunnel in the United States. Survey number: HAER OR-36-T Building/structure dates: 1920 ... More

Historic Columbia River Highway, Mosier Twin Tunnels, East of Mosier, Troutdale, Multnomah County, OR

Historic Columbia River Highway, Mosier Twin Tunnels, East of Mosier, ...

Significance: The only set of highway tunnels with adits or windows in Oregon. One of the few examples of this type of tunnel in the United States. Survey number: HAER OR-36-T Building/structure dates: 1920 ... More

Historic Columbia River Highway, Mosier Twin Tunnels, East of Mosier, Troutdale, Multnomah County, OR

Historic Columbia River Highway, Mosier Twin Tunnels, East of Mosier, ...

Significance: The only set of highway tunnels with adits or windows in Oregon. One of the few examples of this type of tunnel in the United States. Survey number: HAER OR-36-T Building/structure dates: 1920 ... More

Pillsbury Milling Complex, Pillsbury "A" Mill, 116 Third Avenue/301 Main Street, Southeast, Minneapolis, Hennepin County, MN

Pillsbury Milling Complex, Pillsbury "A" Mill, 116 Third Avenue/301 Ma...

Significance: This mill is the most imposing structure on Main Street. Still operative, the mill more than any other building symbolizes the role of Minneapolis as a major U.S. Flour Milling Center from 1880-1... More

Pillsbury Milling Complex, Pillsbury "A" Mill, 116 Third Avenue/301 Main Street, Southeast, Minneapolis, Hennepin County, MN

Pillsbury Milling Complex, Pillsbury "A" Mill, 116 Third Avenue/301 Ma...

Significance: This mill is the most imposing structure on Main Street. Still operative, the mill more than any other building symbolizes the role of Minneapolis as a major U.S. Flour Milling Center from 1880-1... More

Pillsbury Milling Complex, Pillsbury "A" Mill, 116 Third Avenue/301 Main Street, Southeast, Minneapolis, Hennepin County, MN

Pillsbury Milling Complex, Pillsbury "A" Mill, 116 Third Avenue/301 Ma...

Significance: This mill is the most imposing structure on Main Street. Still operative, the mill more than any other building symbolizes the role of Minneapolis as a major U.S. Flour Milling Center from 1880-1... More

Pillsbury Milling Complex, Pillsbury "A" Mill, 116 Third Avenue/301 Main Street, Southeast, Minneapolis, Hennepin County, MN

Pillsbury Milling Complex, Pillsbury "A" Mill, 116 Third Avenue/301 Ma...

Significance: This mill is the most imposing structure on Main Street. Still operative, the mill more than any other building symbolizes the role of Minneapolis as a major U.S. Flour Milling Center from 1880-1... More

Pillsbury Milling Complex, Pillsbury "A" Mill, 116 Third Avenue/301 Main Street, Southeast, Minneapolis, Hennepin County, MN

Pillsbury Milling Complex, Pillsbury "A" Mill, 116 Third Avenue/301 Ma...

Significance: This mill is the most imposing structure on Main Street. Still operative, the mill more than any other building symbolizes the role of Minneapolis as a major U.S. Flour Milling Center from 1880-1... More

Pillsbury Milling Complex, Pillsbury "A" Mill, 116 Third Avenue/301 Main Street, Southeast, Minneapolis, Hennepin County, MN

Pillsbury Milling Complex, Pillsbury "A" Mill, 116 Third Avenue/301 Ma...

Significance: This mill is the most imposing structure on Main Street. Still operative, the mill more than any other building symbolizes the role of Minneapolis as a major U.S. Flour Milling Center from 1880-1... More

Holland Tunnel, Beneath Hudson River between New York & Jersey City, New York, New York County, NY

Holland Tunnel, Beneath Hudson River between New York & Jersey City, N...

Significance: The American Society of Civil Engineers (ASCE) and the American Society of Mechanical Engineers (ASME) jointly designated, on May 2, 1984, the Holland Tunnel as an engineering landmark "... in rec... More

Alaskan Way Viaduct and Battery Street Tunnel, Seattle, King County, WA

Alaskan Way Viaduct and Battery Street Tunnel, Seattle, King County, W...

Significance: The Alaskan Way Viaduct is significant for its double-deck configuration, the first such bridge built in the state of Washington. The structure encompasses two different designs and crosses over ... More

Alaskan Way Viaduct and Battery Street Tunnel, Seattle, King County, WA

Alaskan Way Viaduct and Battery Street Tunnel, Seattle, King County, W...

Significance: The Alaskan Way Viaduct is significant for its double-deck configuration, the first such bridge built in the state of Washington. The structure encompasses two different designs and crosses over ... More

Alaskan Way Viaduct and Battery Street Tunnel, Seattle, King County, WA

Alaskan Way Viaduct and Battery Street Tunnel, Seattle, King County, W...

Significance: The Alaskan Way Viaduct is significant for its double-deck configuration, the first such bridge built in the state of Washington. The structure encompasses two different designs and crosses over ... More

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