Hoover Dam, U.S. Highway 93 Nevada Segment, U.S. Highway 93, Boulder C...
Significance: This segment of U.S. Highway 93 was constructed by Six Companies, Inc., as a finishing element to Hoover Dam. The segment includes stone parapet walls built in 1932 that display extruded-mortar st... More
Boulder Farm, Dunbarton Road, Hopkinton, Merrimack County, NH
Survey number: HABS NH-42 Building/structure dates: 1816 Initial Construction
Hoover Dam, Cable Hoist House, U.S. Highway 93, Boulder City, Clark Co...
Significance: It provided access to control cable tunnels from the power plant to the switchyard relay house, and a transformer in the lower level of the hoist house provided operating electricity to the switch... More
Hoover Dam, Los Angeles Bureau of Power & Light Lines 1-3, U.S. Highwa...
Significance: The transmission lines included pioneering technology in high-voltage transmission. The lines were crucial elements of the Hoover Dam electrical complex, particularly in the role played by Hoover ... More
Hoover Dam, Los Angeles Bureau of Power & Light Lines 1-3, U.S. Highwa...
Significance: The transmission lines included pioneering technology in high-voltage transmission. The lines were crucial elements of the Hoover Dam electrical complex, particularly in the role played by Hoover ... More
Flume below the Boulder. New Hampshire in 19th century. Stereoscope ca...
New Hampshire 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
Boulder Bridge, Spanning Rock Creek at Beach Drive, South of Joyce Roa...
Significance: Boulder Bridge is one of the earliest extant bridges in Rock Creek Park. Constructed in 1902, the bridge exemplifies the idea of rustic architecture in the early twentieth century National Parks.... More
Bureau of Mines Boulder City Experimental Station, Administration Offi...
Significance: Building 100, as part of the Date Street Complex, was part of the Bureau of Mines Electrometallurgical Research Facility located in Boulder City. As such, it is within the designated Boulder City... More
Grand Canyon National Park Roads, Boulder Street Headwall No. 1, North...
Significance: This headwall is representative of rustic style road structures constructed by the Civilian Conservation Corps and other depression-era public works agencies within the western national parks duri... More
Hoover Dam, Southern California Edison 230-KV Switchyard, U.S. Highway...
Significance: It was an integral element of the Hoover Dam electrical generation and transmission system. This switchyard provided much-needed electricity during WWII to power Douglas, Vultee, and Northrup airc... More
Hoover Dam, Southern California Edison 230-KV Switchyard, U.S. Highway...
Significance: It was an integral element of the Hoover Dam electrical generation and transmission system. This switchyard provided much-needed electricity during WWII to power Douglas, Vultee, and Northrup airc... More
On Boulder Creek - stereoscopic view, public domain photorpaph
No. 142. Variant view: Lot 11557-5, no. 18. Title from label on back of item. Part of series: U.S. topographical and geological survey of the valley of the Colorado River of the west, by J.W. Powell and A.H. Th... More
Hoover Dam, Metropolitan Water District Line 1, U.S. Highway 93, Bould...
Significance: The transmission line was a critical element of the Hoover Dam electrical generation and transmission system. The line provided Hoover Dam power for development of irrigation and municipal water d... More
Hoover Dam, Circuits 1-15, U.S. Highway 93, Boulder City, Clark County...
Significance: Transformer Circuits are integral elements of the Hoover Dam electrical generation and transmission system. The circuits contributed to the importance of Hoover Dam power in the WWII and post-war ... More
Hoover Dam, Circuits 1-15, U.S. Highway 93, Boulder City, Clark County...
Significance: Transformer Circuits are integral elements of the Hoover Dam electrical generation and transmission system. The circuits contributed to the importance of Hoover Dam power in the WWII and post-war ... More
Hoover Dam, Circuits 1-15, U.S. Highway 93, Boulder City, Clark County...
Significance: Transformer Circuits are integral elements of the Hoover Dam electrical generation and transmission system. The circuits contributed to the importance of Hoover Dam power in the WWII and post-war ... More
Unveiling and dedication of Lincoln-Douglas Boulder by President Roose...
H32874 U.S. Copyright Office. Library has two copies of this print with slightly variant cropping on the left side.
Nevada - Boulder Dam through Boulder City
Navada - Boulder Dam through Boulder City Public domain photograph - aerial photo, work of US government, free to use, no copyright restrictions image - Picryl description
Ceremonies - Colorado - Armistice Day in Boulder, Col. Soldier's parad...
Photographer: Ed. Tangen Ceremonies - Colorado Public domain photograph related to the United States in World War One, free to use, no copyright restrictions image - Picryl description
American Red Cross - Soliciting Funds - Entertainments - War Relief Ac...
Photographer: Ed. Tangen American Red Cross - Soliciting Funds - Entertainments Public domain photograph related to the United States in World War One, free to use, no copyright restrictions image - Picryl description
Photograph of the Boulder Dam from Across the Colorado River
Original Caption: Boulder Dam, 1941. Ansel Adams Photographs of National Parks and Monuments
Las Vegas, Nevada. A mass of transmission towers and transformers redi...
Picryl description: Public domain image of a power dam, cascade, free to use, no copyright restrictions.
Photograph of Aerial View of Boulder Bay of Lac La Croix
Original caption: Aerial view looking slightly west of due north with Boulder Bay of Lac La Croix in mid-portion of photo & the body of east Lac La Croix in center background. The fine stand of virgin red & whi... More
AS16-116-18647 - Apollo 16 - Apollo 16 Mission image - Astronaut Charl...
The original database describes this as: Description: Astronaut Charles M. Duke Jr., lunar module pilot of the Apollo 16 lunar landing mission, examines closely the surface of a large boulder at North Ray crat... More
View of large boulder found by Apollo 14 crew
AS14-68-9448 (6 Feb. 1971) --- A close-up view of a large multi-colored boulder in the boulder field located on the rim of Cone Crater, as photographed by the moon-exploring crew members of the Apollo 14 lunar ... More
View of large boulder found by Apollo 14 crew
AS14-64-9135 (6 Feb. 1971) --- Astronaut Alan B. Shepard Jr., commander, took this close-up view of a large boulder, approximately five feet long, during the second extravehicular activity (EVA), on Feb. 6, 197... More
AS17-144-21992 - Apollo 17 - Apollo 17, Sta LM, Boulder Tracks on N MA...
The original database describes this as: Description: View of Station Lunar Module, Boulder Tracks on N MASSIF taken during the first Extravehicular Activity (EVA) 1 of the Apollo 17 mission. Original film ma... More
AS17-140-21492 - Apollo 17 - Apollo 17 Mission image - Sta 6, Panorami...
The original database describes this as: Description: The Apollo 17 Lunar Roving Vehicle (LRV) is photographed near a large lunar boulder during the third Apollo 17 Extravehicular Activity (EVA 3) at the Tauru... More
AS17-146-22328 - Apollo 17 - Apollo 17, Sample 7075, 7095, Boulder Clo...
The original database describes this as: Description: View of Sample (SPL) 7075, 7095, Boulder Closeup, taken during Extravehicular Activity (EVA) 3,Station 7 of the Apollo 17 mission. Original film magazine w... More
Lake Mead National Recreation Area, formed by the creation of Hoover D...
Digital image produced by Carol M. Highsmith to represent her original film transparency; some details may differ between the film and the digital images. Title, date, and keywords provided by the photographer.... More
A crew member prepares to secure the rear hatch of an AAV7A1 amphibiou...
The original finding aid described this photograph as: Subject Operation/Series: OCEAN VENTUE '92 Country: Atlantic Ocean (AOC) Scene Camera Operator: JO2 William G. Davis Iii Release Status: Released to Pu... More
Country Music Highway - Butcher Hollow Boulder at Junction
The original finding aid described this photograph as: Original Caption: The Butcher "Holler" boulder points the way between two paths in the woods. Location: Kentucky Status: Public domain. Photo by Dennis ... More
Boulder inscribed with the words "Jesus Saves"
Public domain photo of a monument, historic place, free to use, no copyright restrictions image - Picryl description
Scenic Byway 12 - Split Boulder on the Burr Trail
The original finding aid described this photograph as: Original Caption: A huge orange boulder lies cracked beside the road near the Burr Trail. Location: (37.869° N 111.294° W) Status: Public domain. Photo ... More
Scenic Byway 12 - Cattle on Boulder Mountain
The original finding aid described this photograph as: Original Caption: Cattle enjoy the grasses alongside Scenic Byway 12. Location: Utah (38.027° N 111.345° W) Status: Public domain. Photo by A. E. Crane ... More
KENNEDY SPACE CENTER, FLA. -- During this year's NASA MarsPort Engine...
KENNEDY SPACE CENTER, FLA. -- During this year's NASA MarsPort Engineering Design Student Competition 2002 conference, the University of Colorado at Boulder presents this display. Participants are presenting p... More
Boulder Track, NASA Mars Images
Boulder Track NASA/JPL/Malin Space Science Systems Public domain photograph of planet Mars surface, free to use, no copyright restrictions image - Picryl description
Assistant Secretary for Water and Science, Bennett Raley, at Hoover Da...
Photographs Documenting the Secretary's Activities, and Agency Officials, Events, Programs, and Managed Sites
Events at Hoover Dam, Boulder City, Nevada, marking historic Colorado ...
Photographs Documenting the Secretary's Activities, and Agency Officials, Events, Programs, and Managed Sites
Assistant Secretary for Water and Science, Bennett Raley, at Hoover Da...
Photographs Documenting the Secretary's Activities, and Agency Officials, Events, Programs, and Managed Sites
California Governor Gray Davis at Hoover Dam, Boulder City, Nevada eve...
Photographs Documenting the Secretary's Activities, and Agency Officials, Events, Programs, and Managed Sites
California Governor Gray Davis with Assistant Secretary for Water and ...
Photographs Documenting the Secretary's Activities, and Agency Officials, Events, Programs, and Managed Sites
California Governor Gray Davis at Hoover Dam, Boulder City, Nevada eve...
Photographs Documenting the Secretary's Activities, and Agency Officials, Events, Programs, and Managed Sites
KENNEDY SPACE CENTER, FLA. - With the backdrop of blue sky and blue w...
KENNEDY SPACE CENTER, FLA. - With the backdrop of blue sky and blue water of the Atlantic Ocean, the Atlas V expendable launch vehicle with the New Horizons spacecraft (center) is nearly ready for launch. Sur... More
KENNEDY SPACE CENTER, FLA. — Leaping into a blue, cloud-scattered sk...
KENNEDY SPACE CENTER, FLA. — Leaping into a blue, cloud-scattered sky, NASA’s New Horizons spacecraft lifts off on time at 2 p.m. EST aboard an Atlas V rocket from Complex 41 on Cape Canaveral Air Force Stati... More
KENNEDY SPACE CENTER, FLA. — Clouds part as NASA’s New Horizons spac...
KENNEDY SPACE CENTER, FLA. — Clouds part as NASA’s New Horizons spacecraft roars into the blue sky after an on-time liftoff at 2 p.m. EST aboard an Atlas V rocket from Complex 41 on Cape Canaveral Air Force S... More
KENNEDY SPACE CENTER, FLA. — Spectators and photographers enjoy the ...
KENNEDY SPACE CENTER, FLA. — Spectators and photographers enjoy the view as the NASA New Horizons spacecraft clears the horizon six seconds into the launch (as seen on the countdown clock at left). The spacec... More
Fire ^ Wildfire - Boulder, Colo. , January 8, 2009 -- Fire Fighters sa...
The original database describes this as: Title: Burned subdivision in Colorado Production Date: 01/08/2009 Caption: Boulder, Colo. , January 8, 2009 -- Fire Fighters saved Dakota Ridge subdivision from the O... More
Boulder Trails in Menelaus Crater
Boulder Trails in Menelaus Crater NASA/GSFC/Arizona State University Public domain photograph of crater on the Moon surface, made from orbit, free to use, no copyright restrictions image - Picryl description
Joshua Tree National Park - Joshua trees along Park Boulevard
NPS/Robb Hannawacker Public domain photograph by National Parks Administration, nature conservation, tourism, free to use, no copyright restrictions image - Picryl description
Boulder,CO, October 1, 2013--A FEMA Corps member answers a resident qu...
The original finding aid described this as: Date Taken: 2013-10-01 00:00:00 UTC Photographer Name: Patsy Lynch City/State: Boulder, CO Keywords: Flooding ^ Response ^ FEMA ^ Colorado ^ DRC ^ FEMA Corp ^ Bou... More
Boulder, CO, October 1, 2013--Richard McMahon, a FEMA Mitigation speci...
The original finding aid described this as: Date Taken: 2013-10-01 00:00:00 UTC Photographer Name: Patsy Lynch City/State: Boulder, CO Keywords: Mitigation ^ Response ^ FEMA ^ Colorado ^ DRC ^ Boulder Disa... More
Boulder, Colorado September 17, 2013 -- After conducting the search of...
The original finding aid described this as: Date Taken: 2013-09-17 00:00:00 UTC Photographer Name: Michael Rieger Keywords: Flooding ^ Colorado ^ US&R ^ DR4145CO ^ NE-TF1 Disasters: Colorado Severe Storms, ... More
Boulder, Colo., Sep. 16, 2013 -- FEMA's Urban Search and Rescue (USAR)...
The original finding aid described this as: Date Taken: 2013-09-16 00:00:00 UTC Photographer Name: Michael Rieger City/State: Boulder, CO Disaster Types: Flooding Categories: Response ^ US&R Photographs Re... More
Jamestown, Colo., Sep. 15, 2013 -- The small mountain town of 300 has ...
The original finding aid described this as: Date Taken: 2013-09-15 00:00:00 UTC Photographer Name: Steve Zumwalt City/State: Jamestown, CO Keywords: 4145 Colorado FEMA Jamestown Nebraska Task force 1 Rescue... More
A mountain covered in snow with a few trees. Sunshine canyon boulder c...
Snow covers the mountains in the winter / A snowy mountain range in the winter public domain stock photo.
A large rock formation in the middle of a desert. Balanced rock landsc...
A large rock formation in the desert with mountains in the background / A large rock formation in the middle of a desert public domain stock photo.
A large pile of rocks sitting on top of a lush green hillside. Granite...
A hole in the rock / A rock formation with a hole in it - public domain art photo.
A waterfall is flowing down a mountain side. Water waterfall
Rocks pictures: Free images of rocks and stones, available for commercial use and free download. Copyright-free, no attribution required.
A black and red train traveling down train tracks. Harzquerbahn resin ...
A black and red train traveling down train tracks / A black and red train engine on a track / Public domain stock photo of a nature.
A close up of a rock with moss on it. Lichen boulder rock.
A rock with orange and brown lichens on it / A rock with orange and white lichen on it / Public domain stock photo of a nature.
A couple of black poles sitting next to a body of water. Poland ferry ...
Stock photo: A close up of two yellow knobs on a boat / A couple of black poles sitting next to a body of water.
A large rock in the middle of a river. Stone moss riverbank, backgroun...
Public domain texture / A large rock in the middle of a forest / A large rock in the middle of a forest. Public domain textures and patterns: A large rock in the middle of a forest / A large rock in the middle... More
A rock formation in the middle of a desert. Balancing rock formation n...
The balanced rock is a balancing act of balance / A rock formation with a balanced rock on top of it / Public domain photo of a park, nature.
A pile of rocks stacked on top of each other. Stone boulder stone towe...
A pile of rocks in the woods / A pile of rocks on the side of a building public domain stock photo.
A person riding a horse on top of a lush green hillside. Poland tatry ...
A rocky hill with a mountain range in the background / A person riding a horse on top of a lush green hillside / Public domain stock photography.
Marble quarry carrara marble. A bulldozer sits in the middle of a quar...
Architecture stock photograph: A large yellow excavator in a large white quarry / A bulldozer sits in the middle of a quarry.
A pile of rocks and gravel on a beach. Pebbles rocks stones.
Rocks on the beach - - stock photo / A rocky beach with lots of rocks on it / Public domain stock photo.
Falls of North Boulder. - Sterescope Card, Colorado
Picryl description: Public domain image of a waterfall, water stream, cascade, nature site, free to use, no copyright restrictions.
Boulder House. - Sterescope Card, Colorado. NYPL Collection.
Colorado 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 who ass... More
Boulder City from the West. - Sterescope Card, Colorado
Colorado 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 who ass... More
Boulder in Flume Notch, Franconia, N.H.
New Hampshire 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
Boulder in the Flume. New Hampshire in 19th century. Stereoscope card.
Public domain photograph of a mountain pass, mountains, nature, mountain range, view, landscape, rocks, free to use, no copyright restrictions - Picryl description
Suspended Boulder, Flume, Franconia Notch, N.H.
New Hampshire 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
Suspended Boulder. New Hampshire in 19th century. Stereoscope card.
New Hampshire 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
The Flume, above the Boulder. New Hampshire in 19th century. Stereosco...
Picryl description: Public domain image of a waterfall, cascade, water stream, free to use, no copyright restrictions.
Boulder at Flume, Franconia Notch, N.H.
New Hampshire 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
Flume below the Boulder. New Hampshire in 19th century. Stereoscope ca...
New Hampshire 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
Flume below the Boulder. New Hampshire in 19th century. Stereoscope ca...
Picryl description: Public domain image of a quarry, mine, excavation, or mining site, free to use, no copyright restrictions.
Flume above the Boulder, Franconia Notch, N.H.
New Hampshire 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
The Boulder on South Mountain. New York Sterecope Card.
New York 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 who ass... More
U.S. soldiers from the 2nd Battalion, 4th Aviation
U.S. soldiers from the 2nd Battalion, 4th Aviation Regiment out of Fort Carson, Colo., along with civilian rescue personnel, rescue members of the Jamestown, Colo., community and children from Cal-Wood Educatio... More
U.S. Soldiers with the 2nd General Support Aviation
U.S. Soldiers with the 2nd General Support Aviation Battalion, 4th Combat Aviation Brigade, 4th Infantry Division, prepare for takeoff to assist in search and rescue operations from homes between Boulder and Ly... More
Moeraki Boulders, New Zealand. Bernard Spragg photography
The Moeraki Boulders are a group of very large spherical “stones” on Koekohe Beach near Moeraki on New Zealand’s Otago coast. These boulders are actually concretions that have been exposed through shoreline ero... More
Lakeshore Road, Boulder Basin, Boulder City, Clark County, NV
Significance: Lakeshore Road and associated road features have been determined locally significant under National Register Criteria A and C. Construction of the road opened Lake Mead NRA, an early and major so... More
Lakeshore Road, Boulder Basin, Boulder City, Clark County, NV
Significance: Lakeshore Road and associated road features have been determined locally significant under National Register Criteria A and C. Construction of the road opened Lake Mead NRA, an early and major so... More
Hoover Dam, Lower Portal Access Road, U.S. Highway 93, Boulder City, C...
Significance: It was an important feature in the construction of Hoover Dam. The road provided access to the bottom of Black Canyon at a point about one mile downstream from the dam construction site. Here a co... More
Bluebird Dam, On Ouzel Creek 7 miles west of Allenspark, Allenspark, B...
Significance: Completed ca. 1923, it is locally significant to Boulder County as an intact example of an early 20th century, and relatively uncommon, arch concrete dam. The dam documents an important engineerin... More
Hoover Dam, Spanning Colorado River at Route 93, Boulder City, Clark C...
Significance: It is a National Historic Landmark, an American Civil Engineering Landmark, and the focus of an historic district listed on the National Register of Historic Places. The dam was constructed betwee... More
Hoover Dam, Spanning Colorado River at Route 93, Boulder City, Clark C...
Significance: It is a National Historic Landmark, an American Civil Engineering Landmark, and the focus of an historic district listed on the National Register of Historic Places. The dam was constructed betwee... More
Hoover Dam, Henderson-Mead Transmission Line 2, Spanning Colorado Rive...
STORED OFF SITE AND ON SITE. mchr Significance: Previously known as a segment of the Davis-Hoover and the Hoover-Mead Transmission Lines, the documented segment of the Henderson-Mead Transmission Line 2 was con... More
Hoover Dam, Arizona-Nevada Switchyard, U.S. Highway 93, Boulder City, ...
Significance: It is one of six switchyards built between 1935 and 1952 to provide terminals for major transmission lines carrying electricity to markets in California, Nevada, and Arizona. All of these faciliti... More
Hoover Dam, Arizona-Nevada Switchyard, U.S. Highway 93, Boulder City, ...
Significance: It is one of six switchyards built between 1935 and 1952 to provide terminals for major transmission lines carrying electricity to markets in California, Nevada, and Arizona. All of these faciliti... More
Bureau of Mines Boulder City Experimental Station, Ore Dressing Pilot ...
Significance: Building 600, as part of the Date Street Complex, was a component of the Bureau of Mines Electrometallurgical Research Facility located in Boulder City. As such, it is within the designated Bould... More
Hoover Dam, U.S. Highway 93 Nevada Segment, U.S. Highway 93, Boulder C...
Significance: This segment of U.S. Highway 93 was constructed by Six Companies, Inc., as a finishing element to Hoover Dam. The segment includes stone parapet walls built in 1932 that display extruded-mortar st... More
Hoover Dam, U.S. Highway 93 Nevada Segment, U.S. Highway 93, Boulder C...
Significance: This segment of U.S. Highway 93 was constructed by Six Companies, Inc., as a finishing element to Hoover Dam. The segment includes stone parapet walls built in 1932 that display extruded-mortar st... More
Boulder Farm, Dunbarton Road, Hopkinton, Merrimack County, NH
Survey number: HABS NH-42 Building/structure dates: 1816 Initial Construction