Pennsylvania Railway Ore Dock, Lake Erie at Whiskey Island, approximat...
Significance: When built, the Pennsylvania Railway Ore Dock was the largest ore-unloading dock on the Great Lakes. The dock featured four Hulett unloaders with bucket capacities of 17 tons; a 15-ton capacity o... More
Pennsylvania Railway Ore Dock, Lake Erie at Whiskey Island, approximat...
Significance: When built, the Pennsylvania Railway Ore Dock was the largest ore-unloading dock on the Great Lakes. The dock featured four Hulett unloaders with bucket capacities of 17 tons; a 15-ton capacity o... More
Chicago Sanitary and Ship Canal, Lockport Power House and Dam, 2502 Ch...
Significance: The Lockport Power House and Dam were built as part of an extension to the Chicago Sanitary and Ship Canal after the Illinois State Legislature authorized the Sanitary District to develop a water ... More
Pennsylvania Railway Ore Dock, Lake Erie at Whiskey Island, approximat...
Significance: When built, the Pennsylvania Railway Ore Dock was the largest ore-unloading dock on the Great Lakes. The dock featured four Hulett unloaders with bucket capacities of 17 tons; a 15-ton capacity o... More
Pennsylvania Railway Ore Dock, Lake Erie at Whiskey Island, approximat...
Significance: When built, the Pennsylvania Railway Ore Dock was the largest ore-unloading dock on the Great Lakes. The dock featured four Hulett unloaders with bucket capacities of 17 tons; a 15-ton capacity o... More
Connellsville Coal & Coke Region, Connellsville, Fayette County, PA
See also HAER PA-259 for related documentation. Includes photographs & written data. Significance: Considered among the world's richest mineral deposits, the Pittsburgh seam of coal underlying portions of Fayet... More
Connellsville Coal & Coke Region, Connellsville, Fayette County, PA
See also HAER PA-259 for related documentation. Includes photographs & written data. Significance: Considered among the world's richest mineral deposits, the Pittsburgh seam of coal underlying portions of Fayet... More
Chicago Sanitary and Ship Canal, Lockport Power House and Dam, 2502 Ch...
Significance: The Lockport Power House and Dam were built as part of an extension to the Chicago Sanitary and Ship Canal after the Illinois State Legislature authorized the Sanitary District to develop a water ... More
Pennsylvania Railway Ore Dock, Lake Erie at Whiskey Island, approximat...
Significance: When built, the Pennsylvania Railway Ore Dock was the largest ore-unloading dock on the Great Lakes. The dock featured four Hulett unloaders with bucket capacities of 17 tons; a 15-ton capacity o... More
Pennsylvania Railway Ore Dock, Lake Erie at Whiskey Island, approximat...
Significance: When built, the Pennsylvania Railway Ore Dock was the largest ore-unloading dock on the Great Lakes. The dock featured four Hulett unloaders with bucket capacities of 17 tons; a 15-ton capacity o... More
Pennsylvania Railway Ore Dock, Lake Erie at Whiskey Island, approximat...
Significance: When built, the Pennsylvania Railway Ore Dock was the largest ore-unloading dock on the Great Lakes. The dock featured four Hulett unloaders with bucket capacities of 17 tons; a 15-ton capacity o... More
Pennsylvania Railway Ore Dock, Lake Erie at Whiskey Island, approximat...
Significance: When built, the Pennsylvania Railway Ore Dock was the largest ore-unloading dock on the Great Lakes. The dock featured four Hulett unloaders with bucket capacities of 17 tons; a 15-ton capacity o... More
Connellsville Coal & Coke Region, Connellsville, Fayette County, PA
See also HAER PA-259 for related documentation. Includes photographs & written data. Significance: Considered among the world's richest mineral deposits, the Pittsburgh seam of coal underlying portions of Fayet... More
Pennsylvania Railway Ore Dock, Lake Erie at Whiskey Island, approximat...
Significance: When built, the Pennsylvania Railway Ore Dock was the largest ore-unloading dock on the Great Lakes. The dock featured four Hulett unloaders with bucket capacities of 17 tons; a 15-ton capacity o... More
Pennsylvania Railway Ore Dock, Lake Erie at Whiskey Island, approximat...
Significance: When built, the Pennsylvania Railway Ore Dock was the largest ore-unloading dock on the Great Lakes. The dock featured four Hulett unloaders with bucket capacities of 17 tons; a 15-ton capacity o... More
Pennsylvania Railway Ore Dock, Lake Erie at Whiskey Island, approximat...
Significance: When built, the Pennsylvania Railway Ore Dock was the largest ore-unloading dock on the Great Lakes. The dock featured four Hulett unloaders with bucket capacities of 17 tons; a 15-ton capacity o... More
Pennsylvania Railway Ore Dock, Lake Erie at Whiskey Island, approximat...
Significance: When built, the Pennsylvania Railway Ore Dock was the largest ore-unloading dock on the Great Lakes. The dock featured four Hulett unloaders with bucket capacities of 17 tons; a 15-ton capacity o... More
Pennsylvania Railway Ore Dock, Lake Erie at Whiskey Island, approximat...
Significance: When built, the Pennsylvania Railway Ore Dock was the largest ore-unloading dock on the Great Lakes. The dock featured four Hulett unloaders with bucket capacities of 17 tons; a 15-ton capacity o... More
U.S. Steel Homestead Works, Along Monongahela River, north of Eighth A...
Significance: Established in 1879, Homestead Works is one of six plants (Homestead, Edgar Thomson, Duquesne, Irvin, National and Clairton) which, until the collapse in 1982, comprised U.S. Steel's Mon Valley wo... More
Pennsylvania Railway Ore Dock, Lake Erie at Whiskey Island, approximat...
Significance: When built, the Pennsylvania Railway Ore Dock was the largest ore-unloading dock on the Great Lakes. The dock featured four Hulett unloaders with bucket capacities of 17 tons; a 15-ton capacity o... More
Pennsylvania Railway Ore Dock, Lake Erie at Whiskey Island, approximat...
Significance: When built, the Pennsylvania Railway Ore Dock was the largest ore-unloading dock on the Great Lakes. The dock featured four Hulett unloaders with bucket capacities of 17 tons; a 15-ton capacity o... More
U.S. Steel Homestead Works, Along Monongahela River, north of Eighth A...
Significance: Established in 1879, Homestead Works is one of six plants (Homestead, Edgar Thomson, Duquesne, Irvin, National and Clairton) which, until the collapse in 1982, comprised U.S. Steel's Mon Valley wo... More
U.S. Steel Homestead Works, Along Monongahela River, north of Eighth A...
Significance: Established in 1879, Homestead Works is one of six plants (Homestead, Edgar Thomson, Duquesne, Irvin, National and Clairton) which, until the collapse in 1982, comprised U.S. Steel's Mon Valley wo... More
Pennsylvania Railway Ore Dock, Lake Erie at Whiskey Island, approximat...
Significance: When built, the Pennsylvania Railway Ore Dock was the largest ore-unloading dock on the Great Lakes. The dock featured four Hulett unloaders with bucket capacities of 17 tons; a 15-ton capacity o... More
Pennsylvania Railway Ore Dock, Lake Erie at Whiskey Island, approximat...
Significance: When built, the Pennsylvania Railway Ore Dock was the largest ore-unloading dock on the Great Lakes. The dock featured four Hulett unloaders with bucket capacities of 17 tons; a 15-ton capacity o... More
Pennsylvania Railway Ore Dock, Lake Erie at Whiskey Island, approximat...
Significance: When built, the Pennsylvania Railway Ore Dock was the largest ore-unloading dock on the Great Lakes. The dock featured four Hulett unloaders with bucket capacities of 17 tons; a 15-ton capacity o... More
Pennsylvania Railway Ore Dock, Lake Erie at Whiskey Island, approximat...
Significance: When built, the Pennsylvania Railway Ore Dock was the largest ore-unloading dock on the Great Lakes. The dock featured four Hulett unloaders with bucket capacities of 17 tons; a 15-ton capacity o... More
Pennsylvania Railway Ore Dock, Lake Erie at Whiskey Island, approximat...
Significance: When built, the Pennsylvania Railway Ore Dock was the largest ore-unloading dock on the Great Lakes. The dock featured four Hulett unloaders with bucket capacities of 17 tons; a 15-ton capacity o... More
Pennsylvania Railway Ore Dock, Lake Erie at Whiskey Island, approximat...
Significance: When built, the Pennsylvania Railway Ore Dock was the largest ore-unloading dock on the Great Lakes. The dock featured four Hulett unloaders with bucket capacities of 17 tons; a 15-ton capacity o... More
Connellsville Coal & Coke Region, Connellsville, Fayette County, PA
See also HAER PA-259 for related documentation. Includes photographs & written data. Significance: Considered among the world's richest mineral deposits, the Pittsburgh seam of coal underlying portions of Fayet... More
Pennsylvania Railway Ore Dock, Lake Erie at Whiskey Island, approximat...
Significance: When built, the Pennsylvania Railway Ore Dock was the largest ore-unloading dock on the Great Lakes. The dock featured four Hulett unloaders with bucket capacities of 17 tons; a 15-ton capacity o... More
Pennsylvania Railway Ore Dock, Lake Erie at Whiskey Island, approximat...
Significance: When built, the Pennsylvania Railway Ore Dock was the largest ore-unloading dock on the Great Lakes. The dock featured four Hulett unloaders with bucket capacities of 17 tons; a 15-ton capacity o... More
Pennsylvania Railway Ore Dock, Lake Erie at Whiskey Island, approximat...
Significance: When built, the Pennsylvania Railway Ore Dock was the largest ore-unloading dock on the Great Lakes. The dock featured four Hulett unloaders with bucket capacities of 17 tons; a 15-ton capacity o... More
Pennsylvania Railway Ore Dock, Lake Erie at Whiskey Island, approximat...
Significance: When built, the Pennsylvania Railway Ore Dock was the largest ore-unloading dock on the Great Lakes. The dock featured four Hulett unloaders with bucket capacities of 17 tons; a 15-ton capacity o... More
Pennsylvania Railway Ore Dock, Lake Erie at Whiskey Island, approximat...
Significance: When built, the Pennsylvania Railway Ore Dock was the largest ore-unloading dock on the Great Lakes. The dock featured four Hulett unloaders with bucket capacities of 17 tons; a 15-ton capacity o... More
U.S. Steel Homestead Works, Along Monongahela River, north of Eighth A...
Significance: Established in 1879, Homestead Works is one of six plants (Homestead, Edgar Thomson, Duquesne, Irvin, National and Clairton) which, until the collapse in 1982, comprised U.S. Steel's Mon Valley wo... More
Pennsylvania Railway Ore Dock, Lake Erie at Whiskey Island, approximat...
Significance: When built, the Pennsylvania Railway Ore Dock was the largest ore-unloading dock on the Great Lakes. The dock featured four Hulett unloaders with bucket capacities of 17 tons; a 15-ton capacity o... More
Pennsylvania Railway Ore Dock, Lake Erie at Whiskey Island, approximat...
Significance: When built, the Pennsylvania Railway Ore Dock was the largest ore-unloading dock on the Great Lakes. The dock featured four Hulett unloaders with bucket capacities of 17 tons; a 15-ton capacity o... More
Pennsylvania Railway Ore Dock, Lake Erie at Whiskey Island, approximat...
Significance: When built, the Pennsylvania Railway Ore Dock was the largest ore-unloading dock on the Great Lakes. The dock featured four Hulett unloaders with bucket capacities of 17 tons; a 15-ton capacity o... More
Pennsylvania Railway Ore Dock, Lake Erie at Whiskey Island, approximat...
Significance: When built, the Pennsylvania Railway Ore Dock was the largest ore-unloading dock on the Great Lakes. The dock featured four Hulett unloaders with bucket capacities of 17 tons; a 15-ton capacity o... More
Pennsylvania Railway Ore Dock, Lake Erie at Whiskey Island, approximat...
Significance: When built, the Pennsylvania Railway Ore Dock was the largest ore-unloading dock on the Great Lakes. The dock featured four Hulett unloaders with bucket capacities of 17 tons; a 15-ton capacity o... More
Pennsylvania Railway Ore Dock, Lake Erie at Whiskey Island, approximat...
Significance: When built, the Pennsylvania Railway Ore Dock was the largest ore-unloading dock on the Great Lakes. The dock featured four Hulett unloaders with bucket capacities of 17 tons; a 15-ton capacity o... More
Connellsville Coal & Coke Region, Connellsville, Fayette County, PA
See also HAER PA-259 for related documentation. Includes photographs & written data. Significance: Considered among the world's richest mineral deposits, the Pittsburgh seam of coal underlying portions of Fayet... More
Pennsylvania Railway Ore Dock, Lake Erie at Whiskey Island, approximat...
Significance: When built, the Pennsylvania Railway Ore Dock was the largest ore-unloading dock on the Great Lakes. The dock featured four Hulett unloaders with bucket capacities of 17 tons; a 15-ton capacity o... More
Pennsylvania Railway Ore Dock, Lake Erie at Whiskey Island, approximat...
Significance: When built, the Pennsylvania Railway Ore Dock was the largest ore-unloading dock on the Great Lakes. The dock featured four Hulett unloaders with bucket capacities of 17 tons; a 15-ton capacity o... More
Pennsylvania Railway Ore Dock, Lake Erie at Whiskey Island, approximat...
Significance: When built, the Pennsylvania Railway Ore Dock was the largest ore-unloading dock on the Great Lakes. The dock featured four Hulett unloaders with bucket capacities of 17 tons; a 15-ton capacity o... More
Pennsylvania Railway Ore Dock, Lake Erie at Whiskey Island, approximat...
Significance: When built, the Pennsylvania Railway Ore Dock was the largest ore-unloading dock on the Great Lakes. The dock featured four Hulett unloaders with bucket capacities of 17 tons; a 15-ton capacity o... More
Pennsylvania Railway Ore Dock, Lake Erie at Whiskey Island, approximat...
Significance: When built, the Pennsylvania Railway Ore Dock was the largest ore-unloading dock on the Great Lakes. The dock featured four Hulett unloaders with bucket capacities of 17 tons; a 15-ton capacity o... More
Pennsylvania Railway Ore Dock, Lake Erie at Whiskey Island, approximat...
Significance: When built, the Pennsylvania Railway Ore Dock was the largest ore-unloading dock on the Great Lakes. The dock featured four Hulett unloaders with bucket capacities of 17 tons; a 15-ton capacity o... More
U.S. Steel Homestead Works, Along Monongahela River, north of Eighth A...
Significance: Established in 1879, Homestead Works is one of six plants (Homestead, Edgar Thomson, Duquesne, Irvin, National and Clairton) which, until the collapse in 1982, comprised U.S. Steel's Mon Valley wo... More
U.S. Steel Homestead Works, Along Monongahela River, north of Eighth A...
Significance: Established in 1879, Homestead Works is one of six plants (Homestead, Edgar Thomson, Duquesne, Irvin, National and Clairton) which, until the collapse in 1982, comprised U.S. Steel's Mon Valley wo... More
Pennsylvania Railway Ore Dock, Lake Erie at Whiskey Island, approximat...
Significance: When built, the Pennsylvania Railway Ore Dock was the largest ore-unloading dock on the Great Lakes. The dock featured four Hulett unloaders with bucket capacities of 17 tons; a 15-ton capacity o... More
Pennsylvania Railway Ore Dock, Lake Erie at Whiskey Island, approximat...
Significance: When built, the Pennsylvania Railway Ore Dock was the largest ore-unloading dock on the Great Lakes. The dock featured four Hulett unloaders with bucket capacities of 17 tons; a 15-ton capacity o... More
U.S. Steel Homestead Works, Along Monongahela River, north of Eighth A...
Significance: Established in 1879, Homestead Works is one of six plants (Homestead, Edgar Thomson, Duquesne, Irvin, National and Clairton) which, until the collapse in 1982, comprised U.S. Steel's Mon Valley wo... More
Connellsville Coal & Coke Region, Connellsville, Fayette County, PA
See also HAER PA-259 for related documentation. Includes photographs & written data. Significance: Considered among the world's richest mineral deposits, the Pittsburgh seam of coal underlying portions of Fayet... More
Chicago Sanitary and Ship Canal, Lockport Power House and Dam, 2502 Ch...
Significance: The Lockport Power House and Dam were built as part of an extension to the Chicago Sanitary and Ship Canal after the Illinois State Legislature authorized the Sanitary District to develop a water ... More
Pennsylvania Railway Ore Dock, Lake Erie at Whiskey Island, approximat...
Significance: When built, the Pennsylvania Railway Ore Dock was the largest ore-unloading dock on the Great Lakes. The dock featured four Hulett unloaders with bucket capacities of 17 tons; a 15-ton capacity o... More
Pennsylvania Railway Ore Dock, Lake Erie at Whiskey Island, approximat...
Significance: When built, the Pennsylvania Railway Ore Dock was the largest ore-unloading dock on the Great Lakes. The dock featured four Hulett unloaders with bucket capacities of 17 tons; a 15-ton capacity o... More
Pennsylvania Railway Ore Dock, Lake Erie at Whiskey Island, approximat...
Significance: When built, the Pennsylvania Railway Ore Dock was the largest ore-unloading dock on the Great Lakes. The dock featured four Hulett unloaders with bucket capacities of 17 tons; a 15-ton capacity o... More
Pennsylvania Railway Ore Dock, Lake Erie at Whiskey Island, approximat...
Significance: When built, the Pennsylvania Railway Ore Dock was the largest ore-unloading dock on the Great Lakes. The dock featured four Hulett unloaders with bucket capacities of 17 tons; a 15-ton capacity o... More
Pennsylvania Railway Ore Dock, Lake Erie at Whiskey Island, approximat...
Significance: When built, the Pennsylvania Railway Ore Dock was the largest ore-unloading dock on the Great Lakes. The dock featured four Hulett unloaders with bucket capacities of 17 tons; a 15-ton capacity o... More
Pennsylvania Railway Ore Dock, Lake Erie at Whiskey Island, approximat...
Significance: When built, the Pennsylvania Railway Ore Dock was the largest ore-unloading dock on the Great Lakes. The dock featured four Hulett unloaders with bucket capacities of 17 tons; a 15-ton capacity o... More
Pennsylvania Railway Ore Dock, Lake Erie at Whiskey Island, approximat...
Significance: When built, the Pennsylvania Railway Ore Dock was the largest ore-unloading dock on the Great Lakes. The dock featured four Hulett unloaders with bucket capacities of 17 tons; a 15-ton capacity o... More
Pennsylvania Railway Ore Dock, Lake Erie at Whiskey Island, approximat...
Significance: When built, the Pennsylvania Railway Ore Dock was the largest ore-unloading dock on the Great Lakes. The dock featured four Hulett unloaders with bucket capacities of 17 tons; a 15-ton capacity o... More
Pennsylvania Railway Ore Dock, Lake Erie at Whiskey Island, approximat...
Significance: When built, the Pennsylvania Railway Ore Dock was the largest ore-unloading dock on the Great Lakes. The dock featured four Hulett unloaders with bucket capacities of 17 tons; a 15-ton capacity o... More
U.S. Steel Homestead Works, Along Monongahela River, north of Eighth A...
Significance: Established in 1879, Homestead Works is one of six plants (Homestead, Edgar Thomson, Duquesne, Irvin, National and Clairton) which, until the collapse in 1982, comprised U.S. Steel's Mon Valley wo... More
Pennsylvania Railway Ore Dock, Lake Erie at Whiskey Island, approximat...
Significance: When built, the Pennsylvania Railway Ore Dock was the largest ore-unloading dock on the Great Lakes. The dock featured four Hulett unloaders with bucket capacities of 17 tons; a 15-ton capacity o... More
Pennsylvania Railway Ore Dock, Lake Erie at Whiskey Island, approximat...
Significance: When built, the Pennsylvania Railway Ore Dock was the largest ore-unloading dock on the Great Lakes. The dock featured four Hulett unloaders with bucket capacities of 17 tons; a 15-ton capacity o... More
Pennsylvania Railway Ore Dock, Lake Erie at Whiskey Island, approximat...
Significance: When built, the Pennsylvania Railway Ore Dock was the largest ore-unloading dock on the Great Lakes. The dock featured four Hulett unloaders with bucket capacities of 17 tons; a 15-ton capacity o... More
Pennsylvania Railway Ore Dock, Lake Erie at Whiskey Island, approximat...
Significance: When built, the Pennsylvania Railway Ore Dock was the largest ore-unloading dock on the Great Lakes. The dock featured four Hulett unloaders with bucket capacities of 17 tons; a 15-ton capacity o... More
Pennsylvania Railway Ore Dock, Lake Erie at Whiskey Island, approximat...
Significance: When built, the Pennsylvania Railway Ore Dock was the largest ore-unloading dock on the Great Lakes. The dock featured four Hulett unloaders with bucket capacities of 17 tons; a 15-ton capacity o... More
Pennsylvania Railway Ore Dock, Lake Erie at Whiskey Island, approximat...
Significance: When built, the Pennsylvania Railway Ore Dock was the largest ore-unloading dock on the Great Lakes. The dock featured four Hulett unloaders with bucket capacities of 17 tons; a 15-ton capacity o... More
U.S. Steel Homestead Works, Along Monongahela River, north of Eighth A...
Significance: Established in 1879, Homestead Works is one of six plants (Homestead, Edgar Thomson, Duquesne, Irvin, National and Clairton) which, until the collapse in 1982, comprised U.S. Steel's Mon Valley wo... More
U.S. Steel Homestead Works, Along Monongahela River, north of Eighth A...
Significance: Established in 1879, Homestead Works is one of six plants (Homestead, Edgar Thomson, Duquesne, Irvin, National and Clairton) which, until the collapse in 1982, comprised U.S. Steel's Mon Valley wo... More
U.S. Steel Homestead Works, Along Monongahela River, north of Eighth A...
Significance: Established in 1879, Homestead Works is one of six plants (Homestead, Edgar Thomson, Duquesne, Irvin, National and Clairton) which, until the collapse in 1982, comprised U.S. Steel's Mon Valley wo... More
Connellsville Coal & Coke Region, Connellsville, Fayette County, PA
See also HAER PA-259 for related documentation. Includes photographs & written data. Significance: Considered among the world's richest mineral deposits, the Pittsburgh seam of coal underlying portions of Fayet... More
Connellsville Coal & Coke Region, Connellsville, Fayette County, PA
See also HAER PA-259 for related documentation. Includes photographs & written data. Significance: Considered among the world's richest mineral deposits, the Pittsburgh seam of coal underlying portions of Fayet... More
Connellsville Coal & Coke Region, Connellsville, Fayette County, PA
See also HAER PA-259 for related documentation. Includes photographs & written data. Significance: Considered among the world's richest mineral deposits, the Pittsburgh seam of coal underlying portions of Fayet... More
Pennsylvania Railway Ore Dock, Lake Erie at Whiskey Island, approximat...
Significance: When built, the Pennsylvania Railway Ore Dock was the largest ore-unloading dock on the Great Lakes. The dock featured four Hulett unloaders with bucket capacities of 17 tons; a 15-ton capacity o... More
U.S. Steel Homestead Works, Along Monongahela River, north of Eighth A...
Significance: Established in 1879, Homestead Works is one of six plants (Homestead, Edgar Thomson, Duquesne, Irvin, National and Clairton) which, until the collapse in 1982, comprised U.S. Steel's Mon Valley wo... More
Connellsville Coal & Coke Region, Connellsville, Fayette County, PA
See also HAER PA-259 for related documentation. Includes photographs & written data. Significance: Considered among the world's richest mineral deposits, the Pittsburgh seam of coal underlying portions of Fayet... More
Connellsville Coal & Coke Region, Connellsville, Fayette County, PA
See also HAER PA-259 for related documentation. Includes photographs & written data. Significance: Considered among the world's richest mineral deposits, the Pittsburgh seam of coal underlying portions of Fayet... More
U.S. Steel Homestead Works, Along Monongahela River, north of Eighth A...
Significance: Established in 1879, Homestead Works is one of six plants (Homestead, Edgar Thomson, Duquesne, Irvin, National and Clairton) which, until the collapse in 1982, comprised U.S. Steel's Mon Valley wo... More
Connellsville Coal & Coke Region, Connellsville, Fayette County, PA
See also HAER PA-259 for related documentation. Includes photographs & written data. Significance: Considered among the world's richest mineral deposits, the Pittsburgh seam of coal underlying portions of Fayet... More
Pennsylvania Railway Ore Dock, Lake Erie at Whiskey Island, approximat...
Significance: When built, the Pennsylvania Railway Ore Dock was the largest ore-unloading dock on the Great Lakes. The dock featured four Hulett unloaders with bucket capacities of 17 tons; a 15-ton capacity o... More
Pennsylvania Railway Ore Dock, Lake Erie at Whiskey Island, approximat...
Significance: When built, the Pennsylvania Railway Ore Dock was the largest ore-unloading dock on the Great Lakes. The dock featured four Hulett unloaders with bucket capacities of 17 tons; a 15-ton capacity o... More
Connellsville Coal & Coke Region, Connellsville, Fayette County, PA
See also HAER PA-259 for related documentation. Includes photographs & written data. Significance: Considered among the world's richest mineral deposits, the Pittsburgh seam of coal underlying portions of Fayet... More
Chicago Sanitary and Ship Canal, Lockport Power House and Dam, 2502 Ch...
Significance: The Lockport Power House and Dam were built as part of an extension to the Chicago Sanitary and Ship Canal after the Illinois State Legislature authorized the Sanitary District to develop a water ... More
Chicago Sanitary and Ship Canal, Lockport Power House and Dam, 2502 Ch...
Significance: The Lockport Power House and Dam were built as part of an extension to the Chicago Sanitary and Ship Canal after the Illinois State Legislature authorized the Sanitary District to develop a water ... More
U.S. Steel Homestead Works, Along Monongahela River, north of Eighth A...
Significance: Established in 1879, Homestead Works is one of six plants (Homestead, Edgar Thomson, Duquesne, Irvin, National and Clairton) which, until the collapse in 1982, comprised U.S. Steel's Mon Valley wo... More