American Falls Water, Power & Light Company, Island Power Plant, Snake...
Significance: This site represents technology associated with the first era of long distance electric power transmission in the state. It is also a representative example of an early low-head hydroelectric pow... More
American Falls Water, Power & Light Company, Island Power Plant, Snake...
Significance: This site represents technology associated with the first era of long distance electric power transmission in the state. It is also a representative example of an early low-head hydroelectric pow... More
Chicago, Milwaukee, St. Paul & Pacific Railroad Roundhouse, Kentucky A...
Significance: The roundhouse at Deer Lodge is part of one of the largest and earliest electrification projects in the U.S. as well as being the largest wooden structure of its type remaining in the U.S. Survey... More
Chicago, Milwaukee, St. Paul & Pacific Railroad Roundhouse, Kentucky A...
Significance: The roundhouse at Deer Lodge is part of one of the largest and earliest electrification projects in the U.S. as well as being the largest wooden structure of its type remaining in the U.S. Survey... More
American Falls Water, Power & Light Company, Island Power Plant, Snake...
Significance: This site represents technology associated with the first era of long distance electric power transmission in the state. It is also a representative example of an early low-head hydroelectric pow... More
American Falls Water, Power & Light Company, Island Power Plant, Snake...
Significance: This site represents technology associated with the first era of long distance electric power transmission in the state. It is also a representative example of an early low-head hydroelectric pow... More
U.S. Steel Corporation, Clairton Works, Blast Furnace Blowing Engine B...
Significance: This building houses seven vertical cross-compound condensing steam engines. These blowing engines originally produced wind for the Clairton Works blast furnaces. In ca. 1961, two furnaces (#6 a... More
Chicago, Milwaukee, St. Paul & Pacific Railroad Roundhouse, Kentucky A...
Significance: The roundhouse at Deer Lodge is part of one of the largest and earliest electrification projects in the U.S. as well as being the largest wooden structure of its type remaining in the U.S. Survey... More
Chicago, Milwaukee, St. Paul & Pacific Railroad Roundhouse, Kentucky A...
Significance: The roundhouse at Deer Lodge is part of one of the largest and earliest electrification projects in the U.S. as well as being the largest wooden structure of its type remaining in the U.S. Survey... More
Chicago, Milwaukee, St. Paul & Pacific Railroad Roundhouse, Kentucky A...
Significance: The roundhouse at Deer Lodge is part of one of the largest and earliest electrification projects in the U.S. as well as being the largest wooden structure of its type remaining in the U.S. Survey... More
U.S. Steel Corporation, Clairton Works, 22-Inch Mill Engine, 400 State...
Significance: Drives 21-inch Single train cross-country structural mill. Survey number: HAER PA-49-C Building/structure dates: 1910 Initial Construction
U.S. Steel Corporation, Clairton Works, Blast Furnace Blowing Engine B...
Significance: This building houses seven vertical cross-compound condensing steam engines. These blowing engines originally produced wind for the Clairton Works blast furnaces. In ca. 1961, two furnaces (#6 a... More
American Falls Water, Power & Light Company, Island Power Plant, Snake...
Significance: This site represents technology associated with the first era of long distance electric power transmission in the state. It is also a representative example of an early low-head hydroelectric pow... More
American Falls Water, Power & Light Company, Island Power Plant, Snake...
Significance: This site represents technology associated with the first era of long distance electric power transmission in the state. It is also a representative example of an early low-head hydroelectric pow... More
Chicago, Milwaukee, St. Paul & Pacific Railroad Roundhouse, Kentucky A...
Significance: The roundhouse at Deer Lodge is part of one of the largest and earliest electrification projects in the U.S. as well as being the largest wooden structure of its type remaining in the U.S. Survey... More
Chicago, Milwaukee, St. Paul & Pacific Railroad Roundhouse, Kentucky A...
Significance: The roundhouse at Deer Lodge is part of one of the largest and earliest electrification projects in the U.S. as well as being the largest wooden structure of its type remaining in the U.S. Survey... More
American Falls Water, Power & Light Company, Island Power Plant, Snake...
Significance: This site represents technology associated with the first era of long distance electric power transmission in the state. It is also a representative example of an early low-head hydroelectric pow... More
American Falls Water, Power & Light Company, Island Power Plant, Snake...
Significance: This site represents technology associated with the first era of long distance electric power transmission in the state. It is also a representative example of an early low-head hydroelectric pow... More
American Falls Water, Power & Light Company, Island Power Plant, Snake...
Significance: This site represents technology associated with the first era of long distance electric power transmission in the state. It is also a representative example of an early low-head hydroelectric pow... More
American Falls Water, Power & Light Company, Island Power Plant, Snake...
Significance: This site represents technology associated with the first era of long distance electric power transmission in the state. It is also a representative example of an early low-head hydroelectric pow... More
Chicago, Milwaukee, St. Paul & Pacific Railroad Roundhouse, Kentucky A...
Significance: The roundhouse at Deer Lodge is part of one of the largest and earliest electrification projects in the U.S. as well as being the largest wooden structure of its type remaining in the U.S. Survey... More
Chicago, Milwaukee, St. Paul & Pacific Railroad Roundhouse, Kentucky A...
Significance: The roundhouse at Deer Lodge is part of one of the largest and earliest electrification projects in the U.S. as well as being the largest wooden structure of its type remaining in the U.S. Survey... More
Chicago, Milwaukee, St. Paul & Pacific Railroad Roundhouse, Kentucky A...
Significance: The roundhouse at Deer Lodge is part of one of the largest and earliest electrification projects in the U.S. as well as being the largest wooden structure of its type remaining in the U.S. Survey... More
American Falls Water, Power & Light Company, Island Power Plant, Snake...
Significance: This site represents technology associated with the first era of long distance electric power transmission in the state. It is also a representative example of an early low-head hydroelectric pow... More
American Falls Water, Power & Light Company, Island Power Plant, Snake...
Significance: This site represents technology associated with the first era of long distance electric power transmission in the state. It is also a representative example of an early low-head hydroelectric pow... More
American Falls Water, Power & Light Company, Island Power Plant, Snake...
Significance: This site represents technology associated with the first era of long distance electric power transmission in the state. It is also a representative example of an early low-head hydroelectric pow... More
American Falls Water, Power & Light Company, Island Power Plant, Snake...
Significance: This site represents technology associated with the first era of long distance electric power transmission in the state. It is also a representative example of an early low-head hydroelectric pow... More
Chicago, Milwaukee, St. Paul & Pacific Railroad Roundhouse, Kentucky A...
Significance: The roundhouse at Deer Lodge is part of one of the largest and earliest electrification projects in the U.S. as well as being the largest wooden structure of its type remaining in the U.S. Survey... More
Chicago, Milwaukee, St. Paul & Pacific Railroad Roundhouse, Kentucky A...
Significance: The roundhouse at Deer Lodge is part of one of the largest and earliest electrification projects in the U.S. as well as being the largest wooden structure of its type remaining in the U.S. Survey... More
American Falls Water, Power & Light Company, Island Power Plant, Snake...
Significance: This site represents technology associated with the first era of long distance electric power transmission in the state. It is also a representative example of an early low-head hydroelectric pow... More
American Falls Water, Power & Light Company, Island Power Plant, Snake...
Significance: This site represents technology associated with the first era of long distance electric power transmission in the state. It is also a representative example of an early low-head hydroelectric pow... More
American Falls Water, Power & Light Company, Island Power Plant, Snake...
Significance: This site represents technology associated with the first era of long distance electric power transmission in the state. It is also a representative example of an early low-head hydroelectric pow... More
American Falls Water, Power & Light Company, Island Power Plant, Snake...
Significance: This site represents technology associated with the first era of long distance electric power transmission in the state. It is also a representative example of an early low-head hydroelectric pow... More
American Falls Water, Power & Light Company, Island Power Plant, Snake...
Significance: This site represents technology associated with the first era of long distance electric power transmission in the state. It is also a representative example of an early low-head hydroelectric pow... More
American Falls Water, Power & Light Company, Island Power Plant, Snake...
Significance: This site represents technology associated with the first era of long distance electric power transmission in the state. It is also a representative example of an early low-head hydroelectric pow... More
Chicago, Milwaukee, St. Paul & Pacific Railroad Roundhouse, Kentucky A...
Significance: The roundhouse at Deer Lodge is part of one of the largest and earliest electrification projects in the U.S. as well as being the largest wooden structure of its type remaining in the U.S. Survey... More
Chicago, Milwaukee, St. Paul & Pacific Railroad Roundhouse, Kentucky A...
Significance: The roundhouse at Deer Lodge is part of one of the largest and earliest electrification projects in the U.S. as well as being the largest wooden structure of its type remaining in the U.S. Survey... More
Chicago, Milwaukee, St. Paul & Pacific Railroad Roundhouse, Kentucky A...
Significance: The roundhouse at Deer Lodge is part of one of the largest and earliest electrification projects in the U.S. as well as being the largest wooden structure of its type remaining in the U.S. Survey... More
American Falls Water, Power & Light Company, Island Power Plant, Snake...
Significance: This site represents technology associated with the first era of long distance electric power transmission in the state. It is also a representative example of an early low-head hydroelectric pow... More
American Falls Water, Power & Light Company, Island Power Plant, Snake...
Significance: This site represents technology associated with the first era of long distance electric power transmission in the state. It is also a representative example of an early low-head hydroelectric pow... More
American Falls Water, Power & Light Company, Island Power Plant, Snake...
Significance: This site represents technology associated with the first era of long distance electric power transmission in the state. It is also a representative example of an early low-head hydroelectric pow... More
American Falls Water, Power & Light Company, Island Power Plant, Snake...
Significance: This site represents technology associated with the first era of long distance electric power transmission in the state. It is also a representative example of an early low-head hydroelectric pow... More
American Falls Water, Power & Light Company, Island Power Plant, Snake...
Significance: This site represents technology associated with the first era of long distance electric power transmission in the state. It is also a representative example of an early low-head hydroelectric pow... More
American Falls Water, Power & Light Company, Island Power Plant, Snake...
Significance: This site represents technology associated with the first era of long distance electric power transmission in the state. It is also a representative example of an early low-head hydroelectric pow... More
American Falls Water, Power & Light Company, Island Power Plant, Snake...
Significance: This site represents technology associated with the first era of long distance electric power transmission in the state. It is also a representative example of an early low-head hydroelectric pow... More
U.S. Steel Corporation, Clairton Works, Blast Furnace Blowing Engine B...
Significance: This building houses seven vertical cross-compound condensing steam engines. These blowing engines originally produced wind for the Clairton Works blast furnaces. In ca. 1961, two furnaces (#6 a... More
U.S. Steel Corporation, Clairton Works, Blast Furnace Blowing Engine B...
Significance: This building houses seven vertical cross-compound condensing steam engines. These blowing engines originally produced wind for the Clairton Works blast furnaces. In ca. 1961, two furnaces (#6 a... More
Chicago, Milwaukee, St. Paul & Pacific Railroad Roundhouse, Kentucky A...
Significance: The roundhouse at Deer Lodge is part of one of the largest and earliest electrification projects in the U.S. as well as being the largest wooden structure of its type remaining in the U.S. Survey... More
Chicago, Milwaukee, St. Paul & Pacific Railroad Roundhouse, Kentucky A...
Significance: The roundhouse at Deer Lodge is part of one of the largest and earliest electrification projects in the U.S. as well as being the largest wooden structure of its type remaining in the U.S. Survey... More
American Falls Water, Power & Light Company, Island Power Plant, Snake...
Significance: This site represents technology associated with the first era of long distance electric power transmission in the state. It is also a representative example of an early low-head hydroelectric pow... More
American Falls Water, Power & Light Company, Island Power Plant, Snake...
Significance: This site represents technology associated with the first era of long distance electric power transmission in the state. It is also a representative example of an early low-head hydroelectric pow... More
American Falls Water, Power & Light Company, Island Power Plant, Snake...
Significance: This site represents technology associated with the first era of long distance electric power transmission in the state. It is also a representative example of an early low-head hydroelectric pow... More
American Falls Water, Power & Light Company, Island Power Plant, Snake...
Significance: This site represents technology associated with the first era of long distance electric power transmission in the state. It is also a representative example of an early low-head hydroelectric pow... More
U.S. Steel Corporation, Clairton Works, Blast Furnace Blowing Engine B...
Significance: This building houses seven vertical cross-compound condensing steam engines. These blowing engines originally produced wind for the Clairton Works blast furnaces. In ca. 1961, two furnaces (#6 a... More
U.S. Steel Corporation, Clairton Works, Blast Furnace Blowing Engine B...
Significance: This building houses seven vertical cross-compound condensing steam engines. These blowing engines originally produced wind for the Clairton Works blast furnaces. In ca. 1961, two furnaces (#6 a... More
Chicago, Milwaukee, St. Paul & Pacific Railroad Roundhouse, Kentucky A...
Significance: The roundhouse at Deer Lodge is part of one of the largest and earliest electrification projects in the U.S. as well as being the largest wooden structure of its type remaining in the U.S. Survey... More
American Falls Water, Power & Light Company, Island Power Plant, Snake...
Significance: This site represents technology associated with the first era of long distance electric power transmission in the state. It is also a representative example of an early low-head hydroelectric pow... More
American Falls Water, Power & Light Company, Island Power Plant, Snake...
Significance: This site represents technology associated with the first era of long distance electric power transmission in the state. It is also a representative example of an early low-head hydroelectric pow... More
American Falls Water, Power & Light Company, Island Power Plant, Snake...
Significance: This site represents technology associated with the first era of long distance electric power transmission in the state. It is also a representative example of an early low-head hydroelectric pow... More
American Falls Water, Power & Light Company, Island Power Plant, Snake...
Significance: This site represents technology associated with the first era of long distance electric power transmission in the state. It is also a representative example of an early low-head hydroelectric pow... More
American Falls Water, Power & Light Company, Island Power Plant, Snake...
Significance: This site represents technology associated with the first era of long distance electric power transmission in the state. It is also a representative example of an early low-head hydroelectric pow... More
American Falls Water, Power & Light Company, Island Power Plant, Snake...
Significance: This site represents technology associated with the first era of long distance electric power transmission in the state. It is also a representative example of an early low-head hydroelectric pow... More
Chicago, Milwaukee, St. Paul & Pacific Railroad Roundhouse, Kentucky A...
Significance: The roundhouse at Deer Lodge is part of one of the largest and earliest electrification projects in the U.S. as well as being the largest wooden structure of its type remaining in the U.S. Survey... More
Chicago, Milwaukee, St. Paul & Pacific Railroad Roundhouse, Kentucky A...
Significance: The roundhouse at Deer Lodge is part of one of the largest and earliest electrification projects in the U.S. as well as being the largest wooden structure of its type remaining in the U.S. Survey... More
American Falls Water, Power & Light Company, Island Power Plant, Snake...
Significance: This site represents technology associated with the first era of long distance electric power transmission in the state. It is also a representative example of an early low-head hydroelectric pow... More
American Falls Water, Power & Light Company, Island Power Plant, Snake...
Significance: This site represents technology associated with the first era of long distance electric power transmission in the state. It is also a representative example of an early low-head hydroelectric pow... More
American Falls Water, Power & Light Company, Island Power Plant, Snake...
Significance: This site represents technology associated with the first era of long distance electric power transmission in the state. It is also a representative example of an early low-head hydroelectric pow... More
American Falls Water, Power & Light Company, Island Power Plant, Snake...
Significance: This site represents technology associated with the first era of long distance electric power transmission in the state. It is also a representative example of an early low-head hydroelectric pow... More
American Falls Water, Power & Light Company, Island Power Plant, Snake...
Significance: This site represents technology associated with the first era of long distance electric power transmission in the state. It is also a representative example of an early low-head hydroelectric pow... More
American Falls Water, Power & Light Company, Island Power Plant, Snake...
Significance: This site represents technology associated with the first era of long distance electric power transmission in the state. It is also a representative example of an early low-head hydroelectric pow... More
American Falls Water, Power & Light Company, Island Power Plant, Snake...
Significance: This site represents technology associated with the first era of long distance electric power transmission in the state. It is also a representative example of an early low-head hydroelectric pow... More
American Falls Water, Power & Light Company, Island Power Plant, Snake...
Significance: This site represents technology associated with the first era of long distance electric power transmission in the state. It is also a representative example of an early low-head hydroelectric pow... More
Chicago, Milwaukee, St. Paul & Pacific Railroad Roundhouse, Kentucky A...
Significance: The roundhouse at Deer Lodge is part of one of the largest and earliest electrification projects in the U.S. as well as being the largest wooden structure of its type remaining in the U.S. Survey... More
Chicago, Milwaukee, St. Paul & Pacific Railroad Roundhouse, Kentucky A...
Significance: The roundhouse at Deer Lodge is part of one of the largest and earliest electrification projects in the U.S. as well as being the largest wooden structure of its type remaining in the U.S. Survey... More
American Falls Water, Power & Light Company, Island Power Plant, Snake...
Significance: This site represents technology associated with the first era of long distance electric power transmission in the state. It is also a representative example of an early low-head hydroelectric pow... More
American Falls Water, Power & Light Company, Island Power Plant, Snake...
Significance: This site represents technology associated with the first era of long distance electric power transmission in the state. It is also a representative example of an early low-head hydroelectric pow... More
American Falls Water, Power & Light Company, Island Power Plant, Snake...
Significance: This site represents technology associated with the first era of long distance electric power transmission in the state. It is also a representative example of an early low-head hydroelectric pow... More
American Falls Water, Power & Light Company, Island Power Plant, Snake...
Significance: This site represents technology associated with the first era of long distance electric power transmission in the state. It is also a representative example of an early low-head hydroelectric pow... More
American Falls Water, Power & Light Company, Island Power Plant, Snake...
Significance: This site represents technology associated with the first era of long distance electric power transmission in the state. It is also a representative example of an early low-head hydroelectric pow... More
American Falls Water, Power & Light Company, Island Power Plant, Snake...
Significance: This site represents technology associated with the first era of long distance electric power transmission in the state. It is also a representative example of an early low-head hydroelectric pow... More
American Falls Water, Power & Light Company, Island Power Plant, Snake...
Significance: This site represents technology associated with the first era of long distance electric power transmission in the state. It is also a representative example of an early low-head hydroelectric pow... More
U.S. Steel Corporation, Clairton Works, 14-Inch Mill Engines No. 1 & N...
Survey number: HAER PA-49-B Building/structure dates: 1907 Initial Construction
American Falls Water, Power & Light Company, Island Power Plant, Snake...
Significance: This site represents technology associated with the first era of long distance electric power transmission in the state. It is also a representative example of an early low-head hydroelectric pow... More
U.S. Steel Corporation, Clairton Works, 14-Inch Mill Engines No. 1 & N...
Survey number: HAER PA-49-B Building/structure dates: 1907 Initial Construction
Chicago, Milwaukee, St. Paul & Pacific Railroad Roundhouse, Kentucky A...
Significance: The roundhouse at Deer Lodge is part of one of the largest and earliest electrification projects in the U.S. as well as being the largest wooden structure of its type remaining in the U.S. Survey... More
American Falls Water, Power & Light Company, Island Power Plant, Snake...
Significance: This site represents technology associated with the first era of long distance electric power transmission in the state. It is also a representative example of an early low-head hydroelectric pow... More
American Falls Water, Power & Light Company, Island Power Plant, Snake...
Significance: This site represents technology associated with the first era of long distance electric power transmission in the state. It is also a representative example of an early low-head hydroelectric pow... More
American Falls Water, Power & Light Company, Island Power Plant, Snake...
Significance: This site represents technology associated with the first era of long distance electric power transmission in the state. It is also a representative example of an early low-head hydroelectric pow... More
American Falls Water, Power & Light Company, Island Power Plant, Snake...
Significance: This site represents technology associated with the first era of long distance electric power transmission in the state. It is also a representative example of an early low-head hydroelectric pow... More
American Falls Water, Power & Light Company, Island Power Plant, Snake...
Significance: This site represents technology associated with the first era of long distance electric power transmission in the state. It is also a representative example of an early low-head hydroelectric pow... More