Santa Ana River Hydroelectric System, SAR-1 Powder Magazine, Redlands,...
Survey number: HAER CA-130-M Building/structure dates: 1898 Initial Construction Building/structure dates: 1905 Subsequent Work Building/structure dates: 1904 Subsequent Work
Powder Works Bridge, Spanning San Lorenzo River, Keystone Way, Paradis...
type-4 Smith Truss; 180' long; 2 span Significance: Powder Works Bridge is the second oldest of twenty-one extant Smith truss covered bridges in the United States. It was built in 1872 for the California Powde... More
Heckert Oil Pumping Jack, 0.6 mile North of Connoquenessing Creek, 0.1...
Significance: Historically significant as a relatively rare survivor of the early-twentieth-century oil industry in southwestern Pennsylvania; manufactured by a short-lived, small manufacturing division of the ... More
Heckert Oil Pumping Jack, 0.6 mile North of Connoquenessing Creek, 0.1...
Significance: Historically significant as a relatively rare survivor of the early-twentieth-century oil industry in southwestern Pennsylvania; manufactured by a short-lived, small manufacturing division of the ... More
Monomoy Point Light Station, Approximately 3500 feet Northeast Powder ...
Significance: Originally built in response to Federal period growth in coastal traffic, the Monomoy Point Light Station is now significant as an early example of cast-iron light construction for a secondary, fi... More
Powder River Bridge, U.S. Highway 14/16, Arvada, Sheridan County, WY
Significance: The Powder River Bridge is a three-span, steel rigid connected continuous Pratt Deck truss. As one of only two major highway deck trusses built in Wyoming, and the only continuous vehicular truss... More
Kolb House, Powder Springs Road, Kennesaw, Cobb County, GA
Significance: Relatively rare example of Georgia frontier vernacular architecture. Part of the Kennesaw Mountain National Battlefield Park, which preserves and interprets the area where Federal forces, led by G... More
Kolb House, Powder Springs Road, Kennesaw, Cobb County, GA
Significance: Relatively rare example of Georgia frontier vernacular architecture. Part of the Kennesaw Mountain National Battlefield Park, which preserves and interprets the area where Federal forces, led by G... More
Picatinny Arsenal, 500 Area, Powder Factory & Power House, State Route...
Significance: Originally built as a depot for storage of powder and other armaments, during the 20th century Picatinny Arsenal became a leading facility for the research, development and production of munitions... More
Picatinny Arsenal, 500 Area, Powder Factory & Power House, State Route...
Significance: Originally built as a depot for storage of powder and other armaments, during the 20th century Picatinny Arsenal became a leading facility for the research, development and production of munitions... More
Picatinny Arsenal, 500 Area, Powder Factory & Power House, State Route...
Significance: Originally built as a depot for storage of powder and other armaments, during the 20th century Picatinny Arsenal became a leading facility for the research, development and production of munitions... More
Picatinny Arsenal, 500 Area, Powder Factory & Power House, State Route...
Significance: Originally built as a depot for storage of powder and other armaments, during the 20th century Picatinny Arsenal became a leading facility for the research, development and production of munitions... More
Picatinny Arsenal, 500 Area, Powder Factory & Power House, State Route...
Significance: Originally built as a depot for storage of powder and other armaments, during the 20th century Picatinny Arsenal became a leading facility for the research, development and production of munitions... More
Picatinny Arsenal, 500 Area, Powder Factory & Power House, State Route...
Significance: Originally built as a depot for storage of powder and other armaments, during the 20th century Picatinny Arsenal became a leading facility for the research, development and production of munitions... More
Picatinny Arsenal, 500 Area, Powder Factory & Power House, State Route...
Significance: Originally built as a depot for storage of powder and other armaments, during the 20th century Picatinny Arsenal became a leading facility for the research, development and production of munitions... More
Powder Works Bridge, Spanning San Lorenzo River, Keystone Way, Paradis...
type-4 Smith Truss; 180' long; 2 span Significance: Powder Works Bridge is the second oldest of twenty-one extant Smith truss covered bridges in the United States. It was built in 1872 for the California Powde... More
Heckert Oil Pumping Jack, 0.6 mile North of Connoquenessing Creek, 0.1...
Significance: Historically significant as a relatively rare survivor of the early-twentieth-century oil industry in southwestern Pennsylvania; manufactured by a short-lived, small manufacturing division of the ... More
Heckert Oil Pumping Jack, 0.6 mile North of Connoquenessing Creek, 0.1...
Significance: Historically significant as a relatively rare survivor of the early-twentieth-century oil industry in southwestern Pennsylvania; manufactured by a short-lived, small manufacturing division of the ... More
Ogden Arsenal, Black Powder Screening Building, 7745 Navajo Way, Layto...
Significance: Building 2002 housed the Black Powder screening and blending operations for primers used in 37mm anti-tank ammunition that was produced at Ogden Arsenal during World War II. The building provides... More
Monomoy Point Light Station, Approximately 3500 feet Northeast Powder ...
Significance: Originally built in response to Federal period growth in coastal traffic, the Monomoy Point Light Station is now significant as an early example of cast-iron light construction for a secondary, fi... More
Powder River Bridge, U.S. Highway 14/16, Arvada, Sheridan County, WY
Significance: The Powder River Bridge is a three-span, steel rigid connected continuous Pratt Deck truss. As one of only two major highway deck trusses built in Wyoming, and the only continuous vehicular truss... More
Kolb House, Powder Springs Road, Kennesaw, Cobb County, GA
Significance: Relatively rare example of Georgia frontier vernacular architecture. Part of the Kennesaw Mountain National Battlefield Park, which preserves and interprets the area where Federal forces, led by G... More
Kolb House, Powder Springs Road, Kennesaw, Cobb County, GA
Significance: Relatively rare example of Georgia frontier vernacular architecture. Part of the Kennesaw Mountain National Battlefield Park, which preserves and interprets the area where Federal forces, led by G... More
Kolb House, Powder Springs Road, Kennesaw, Cobb County, GA
Significance: Relatively rare example of Georgia frontier vernacular architecture. Part of the Kennesaw Mountain National Battlefield Park, which preserves and interprets the area where Federal forces, led by G... More
Kolb House, Powder Springs Road, Kennesaw, Cobb County, GA
Significance: Relatively rare example of Georgia frontier vernacular architecture. Part of the Kennesaw Mountain National Battlefield Park, which preserves and interprets the area where Federal forces, led by G... More
Picatinny Arsenal, 500 Area, Powder Factory & Power House, State Route...
Significance: Originally built as a depot for storage of powder and other armaments, during the 20th century Picatinny Arsenal became a leading facility for the research, development and production of munitions... More
Picatinny Arsenal, 500 Area, Powder Factory & Power House, State Route...
Significance: Originally built as a depot for storage of powder and other armaments, during the 20th century Picatinny Arsenal became a leading facility for the research, development and production of munitions... More
Heckert Oil Pumping Jack, 0.6 mile North of Connoquenessing Creek, 0.1...
Significance: Historically significant as a relatively rare survivor of the early-twentieth-century oil industry in southwestern Pennsylvania; manufactured by a short-lived, small manufacturing division of the ... More
Powder Springs Bridge, Spanning Flat Creek at Dale Road, Powder Spring...
Significance: The bridge is a representative example of the Pratt half-hip truss and of the work of the Converse Bridge Company of Chattanooga, Tennessee. Survey number: HAER TN-24 Building/structure dates: 1... More
Powder Springs Bridge, Spanning Flat Creek at Dale Road, Powder Spring...
Significance: The bridge is a representative example of the Pratt half-hip truss and of the work of the Converse Bridge Company of Chattanooga, Tennessee. Survey number: HAER TN-24 Building/structure dates: 1... More
Ogden Arsenal, Black Powder Screening Building, 7745 Navajo Way, Layto...
Significance: Building 2002 housed the Black Powder screening and blending operations for primers used in 37mm anti-tank ammunition that was produced at Ogden Arsenal during World War II. The building provides... More
Powder River Bridge, County Road 269, Leiter, Sheridan County, WY
Significance: This through truss, consisting of a Pratt and a Warren span, presents classic configurations of the two truss types. One of the earlier rigid connected vehicular trusses in Wyoming, it presents a... More
Monomoy Point Light Station, Approximately 3500 feet Northeast Powder ...
Significance: Originally built in response to Federal period growth in coastal traffic, the Monomoy Point Light Station is now significant as an early example of cast-iron light construction for a secondary, fi... More
Kolb House, Powder Springs Road, Kennesaw, Cobb County, GA
Significance: Relatively rare example of Georgia frontier vernacular architecture. Part of the Kennesaw Mountain National Battlefield Park, which preserves and interprets the area where Federal forces, led by G... More
Kolb House, Powder Springs Road, Kennesaw, Cobb County, GA
Significance: Relatively rare example of Georgia frontier vernacular architecture. Part of the Kennesaw Mountain National Battlefield Park, which preserves and interprets the area where Federal forces, led by G... More
Kolb House, Powder Springs Road, Kennesaw, Cobb County, GA
Significance: Relatively rare example of Georgia frontier vernacular architecture. Part of the Kennesaw Mountain National Battlefield Park, which preserves and interprets the area where Federal forces, led by G... More
Kolb House, Powder Springs Road, Kennesaw, Cobb County, GA
Significance: Relatively rare example of Georgia frontier vernacular architecture. Part of the Kennesaw Mountain National Battlefield Park, which preserves and interprets the area where Federal forces, led by G... More
Picatinny Arsenal, 500 Area, Powder Factory & Power House, State Route...
Significance: Originally built as a depot for storage of powder and other armaments, during the 20th century Picatinny Arsenal became a leading facility for the research, development and production of munitions... More
Picatinny Arsenal, 500 Area, Powder Factory & Power House, State Route...
Significance: Originally built as a depot for storage of powder and other armaments, during the 20th century Picatinny Arsenal became a leading facility for the research, development and production of munitions... More
Picatinny Arsenal, 500 Area, Powder Factory & Power House, State Route...
Significance: Originally built as a depot for storage of powder and other armaments, during the 20th century Picatinny Arsenal became a leading facility for the research, development and production of munitions... More
Picatinny Arsenal, 500 Area, Powder Factory & Power House, State Route...
Significance: Originally built as a depot for storage of powder and other armaments, during the 20th century Picatinny Arsenal became a leading facility for the research, development and production of munitions... More
Picatinny Arsenal, 500 Area, Powder Factory & Power House, State Route...
Significance: Originally built as a depot for storage of powder and other armaments, during the 20th century Picatinny Arsenal became a leading facility for the research, development and production of munitions... More
Picatinny Arsenal, 500 Area, Powder Factory & Power House, State Route...
Significance: Originally built as a depot for storage of powder and other armaments, during the 20th century Picatinny Arsenal became a leading facility for the research, development and production of munitions... More
Picatinny Arsenal, 500 Area, Powder Factory & Power House, State Route...
Significance: Originally built as a depot for storage of powder and other armaments, during the 20th century Picatinny Arsenal became a leading facility for the research, development and production of munitions... More
Picatinny Arsenal, 500 Area, Powder Factory & Power House, State Route...
Significance: Originally built as a depot for storage of powder and other armaments, during the 20th century Picatinny Arsenal became a leading facility for the research, development and production of munitions... More
Picatinny Arsenal, 500 Area, Powder Factory & Power House, State Route...
Significance: Originally built as a depot for storage of powder and other armaments, during the 20th century Picatinny Arsenal became a leading facility for the research, development and production of munitions... More
Powder Works Bridge, Spanning San Lorenzo River, Keystone Way, Paradis...
type-4 Smith Truss; 180' long; 2 span Significance: Powder Works Bridge is the second oldest of twenty-one extant Smith truss covered bridges in the United States. It was built in 1872 for the California Powde... More
Powder Works Bridge, Spanning San Lorenzo River, Keystone Way, Paradis...
type-4 Smith Truss; 180' long; 2 span Significance: Powder Works Bridge is the second oldest of twenty-one extant Smith truss covered bridges in the United States. It was built in 1872 for the California Powde... More
Powder Springs Bridge, Spanning Flat Creek at Dale Road, Powder Spring...
Significance: The bridge is a representative example of the Pratt half-hip truss and of the work of the Converse Bridge Company of Chattanooga, Tennessee. Survey number: HAER TN-24 Building/structure dates: 1... More
Monomoy Point Light Station, Approximately 3500 feet Northeast Powder ...
Significance: Originally built in response to Federal period growth in coastal traffic, the Monomoy Point Light Station is now significant as an early example of cast-iron light construction for a secondary, fi... More
Monomoy Point Light Station, Approximately 3500 feet Northeast Powder ...
Significance: Originally built in response to Federal period growth in coastal traffic, the Monomoy Point Light Station is now significant as an early example of cast-iron light construction for a secondary, fi... More
Fort Buford, Old Powder Magazine, Buford, Williams County, ND
Survey number: HABS ND-4-B Public domain photograph - historical image of North Dakota, United States, free to use, no copyright restrictions image - Picryl description
Powder River Bridge, U.S. Highway 14/16, Arvada, Sheridan County, WY
Significance: The Powder River Bridge is a three-span, steel rigid connected continuous Pratt Deck truss. As one of only two major highway deck trusses built in Wyoming, and the only continuous vehicular truss... More
Kolb House, Powder Springs Road, Kennesaw, Cobb County, GA
Significance: Relatively rare example of Georgia frontier vernacular architecture. Part of the Kennesaw Mountain National Battlefield Park, which preserves and interprets the area where Federal forces, led by G... More
Kolb House, Powder Springs Road, Kennesaw, Cobb County, GA
Significance: Relatively rare example of Georgia frontier vernacular architecture. Part of the Kennesaw Mountain National Battlefield Park, which preserves and interprets the area where Federal forces, led by G... More
Picatinny Arsenal, 500 Area, Powder Factory & Power House, State Route...
Significance: Originally built as a depot for storage of powder and other armaments, during the 20th century Picatinny Arsenal became a leading facility for the research, development and production of munitions... More
Picatinny Arsenal, 500 Area, Powder Factory & Power House, State Route...
Significance: Originally built as a depot for storage of powder and other armaments, during the 20th century Picatinny Arsenal became a leading facility for the research, development and production of munitions... More
Picatinny Arsenal, 500 Area, Powder Factory & Power House, State Route...
Significance: Originally built as a depot for storage of powder and other armaments, during the 20th century Picatinny Arsenal became a leading facility for the research, development and production of munitions... More
Picatinny Arsenal, 500 Area, Powder Factory & Power House, State Route...
Significance: Originally built as a depot for storage of powder and other armaments, during the 20th century Picatinny Arsenal became a leading facility for the research, development and production of munitions... More
Picatinny Arsenal, 500 Area, Powder Factory & Power House, State Route...
Significance: Originally built as a depot for storage of powder and other armaments, during the 20th century Picatinny Arsenal became a leading facility for the research, development and production of munitions... More
Picatinny Arsenal, 500 Area, Powder Factory & Power House, State Route...
Significance: Originally built as a depot for storage of powder and other armaments, during the 20th century Picatinny Arsenal became a leading facility for the research, development and production of munitions... More
Picatinny Arsenal, 500 Area, Powder Factory & Power House, State Route...
Significance: Originally built as a depot for storage of powder and other armaments, during the 20th century Picatinny Arsenal became a leading facility for the research, development and production of munitions... More
Picatinny Arsenal, 500 Area, Powder Factory & Power House, State Route...
Significance: Originally built as a depot for storage of powder and other armaments, during the 20th century Picatinny Arsenal became a leading facility for the research, development and production of munitions... More
Park Utah Mining Company: Keetley Mine Complex, Powder Shed, 1 mile Ea...
Survey number: HAER UT-47-F Public domain photograph - historical image of Utah, United States, free to use, no copyright restrictions image - Picryl description
Powder Works Bridge, Spanning San Lorenzo River, Keystone Way, Paradis...
type-4 Smith Truss; 180' long; 2 span Significance: Powder Works Bridge is the second oldest of twenty-one extant Smith truss covered bridges in the United States. It was built in 1872 for the California Powde... More
Powder Works Bridge, Spanning San Lorenzo River, Keystone Way, Paradis...
type-4 Smith Truss; 180' long; 2 span Significance: Powder Works Bridge is the second oldest of twenty-one extant Smith truss covered bridges in the United States. It was built in 1872 for the California Powde... More
Ogden Arsenal, Smokeless Powder Magazine, 7870 North Drive, Layton, Da...
Significance: Building 1932 provides particularly vivid insight into the processes involved in the manufacture and storage of munitions. In addition, this building contributes to an understanding of the U.S. A... More
Monomoy Point Light Station, Approximately 3500 feet Northeast Powder ...
Significance: Originally built in response to Federal period growth in coastal traffic, the Monomoy Point Light Station is now significant as an early example of cast-iron light construction for a secondary, fi... More
Powder River Bridge, U.S. Highway 14/16, Arvada, Sheridan County, WY
Significance: The Powder River Bridge is a three-span, steel rigid connected continuous Pratt Deck truss. As one of only two major highway deck trusses built in Wyoming, and the only continuous vehicular truss... More
Picatinny Arsenal, 500 Area, Powder Factory & Power House, State Route...
Significance: Originally built as a depot for storage of powder and other armaments, during the 20th century Picatinny Arsenal became a leading facility for the research, development and production of munitions... More
Picatinny Arsenal, 500 Area, Powder Factory & Power House, State Route...
Significance: Originally built as a depot for storage of powder and other armaments, during the 20th century Picatinny Arsenal became a leading facility for the research, development and production of munitions... More
Picatinny Arsenal, 500 Area, Powder Factory & Power House, State Route...
Significance: Originally built as a depot for storage of powder and other armaments, during the 20th century Picatinny Arsenal became a leading facility for the research, development and production of munitions... More
Picatinny Arsenal, 500 Area, Powder Factory & Power House, State Route...
Significance: Originally built as a depot for storage of powder and other armaments, during the 20th century Picatinny Arsenal became a leading facility for the research, development and production of munitions... More
Picatinny Arsenal, 500 Area, Powder Factory & Power House, State Route...
Significance: Originally built as a depot for storage of powder and other armaments, during the 20th century Picatinny Arsenal became a leading facility for the research, development and production of munitions... More
Picatinny Arsenal, 500 Area, Powder Factory & Power House, State Route...
Significance: Originally built as a depot for storage of powder and other armaments, during the 20th century Picatinny Arsenal became a leading facility for the research, development and production of munitions... More
Picatinny Arsenal, 500 Area, Powder Factory & Power House, State Route...
Significance: Originally built as a depot for storage of powder and other armaments, during the 20th century Picatinny Arsenal became a leading facility for the research, development and production of munitions... More
Picatinny Arsenal, 500 Area, Powder Factory & Power House, State Route...
Significance: Originally built as a depot for storage of powder and other armaments, during the 20th century Picatinny Arsenal became a leading facility for the research, development and production of munitions... More
Picatinny Arsenal, 500 Area, Powder Factory & Power House, State Route...
Significance: Originally built as a depot for storage of powder and other armaments, during the 20th century Picatinny Arsenal became a leading facility for the research, development and production of munitions... More
Fort de Chartres, Powder Magazine, Prairie du Rocher, Randolph County,...
Survey number: HABS IL-1157 National Register of Historic Places NRIS Number: 66000329
Engraved Powder Horn, Yorktown, York County, Virginia
Survey number: HABS VA-394 Public domain photograph - historical image of Virginia, United States, free to use, no copyright restrictions image - Picryl description
Powder Works Bridge, Spanning San Lorenzo River, Keystone Way, Paradis...
type-4 Smith Truss; 180' long; 2 span Significance: Powder Works Bridge is the second oldest of twenty-one extant Smith truss covered bridges in the United States. It was built in 1872 for the California Powde... More
Ogden Arsenal, Smokeless Powder Magazine, 7870 North Drive, Layton, Da...
Significance: Building 1932 provides particularly vivid insight into the processes involved in the manufacture and storage of munitions. In addition, this building contributes to an understanding of the U.S. A... More
Ogden Arsenal, Black Powder Screening Building, 7745 Navajo Way, Layto...
Significance: Building 2002 housed the Black Powder screening and blending operations for primers used in 37mm anti-tank ammunition that was produced at Ogden Arsenal during World War II. The building provides... More
Monomoy Point Light Station, Approximately 3500 feet Northeast Powder ...
Significance: Originally built in response to Federal period growth in coastal traffic, the Monomoy Point Light Station is now significant as an early example of cast-iron light construction for a secondary, fi... More
Monomoy Point Light Station, Approximately 3500 feet Northeast Powder ...
Significance: Originally built in response to Federal period growth in coastal traffic, the Monomoy Point Light Station is now significant as an early example of cast-iron light construction for a secondary, fi... More
Fort Buford, Old Powder Magazine, Buford, Williams County, ND
Survey number: HABS ND-4-B Public domain photograph - historical image of North Dakota, United States, free to use, no copyright restrictions image - Picryl description
Powder River Bridge, U.S. Highway 14/16, Arvada, Sheridan County, WY
Significance: The Powder River Bridge is a three-span, steel rigid connected continuous Pratt Deck truss. As one of only two major highway deck trusses built in Wyoming, and the only continuous vehicular truss... More
Powder River Bridge, U.S. Highway 14/16, Arvada, Sheridan County, WY
Significance: The Powder River Bridge is a three-span, steel rigid connected continuous Pratt Deck truss. As one of only two major highway deck trusses built in Wyoming, and the only continuous vehicular truss... More
Kolb House, Powder Springs Road, Kennesaw, Cobb County, GA
Significance: Relatively rare example of Georgia frontier vernacular architecture. Part of the Kennesaw Mountain National Battlefield Park, which preserves and interprets the area where Federal forces, led by G... More
Kolb House, Powder Springs Road, Kennesaw, Cobb County, GA
Significance: Relatively rare example of Georgia frontier vernacular architecture. Part of the Kennesaw Mountain National Battlefield Park, which preserves and interprets the area where Federal forces, led by G... More
Picatinny Arsenal, 500 Area, Powder Factory & Power House, State Route...
Significance: Originally built as a depot for storage of powder and other armaments, during the 20th century Picatinny Arsenal became a leading facility for the research, development and production of munitions... More
Picatinny Arsenal, 500 Area, Powder Factory & Power House, State Route...
Significance: Originally built as a depot for storage of powder and other armaments, during the 20th century Picatinny Arsenal became a leading facility for the research, development and production of munitions... More
Picatinny Arsenal, 500 Area, Powder Factory & Power House, State Route...
Significance: Originally built as a depot for storage of powder and other armaments, during the 20th century Picatinny Arsenal became a leading facility for the research, development and production of munitions... More
Picatinny Arsenal, 500 Area, Powder Factory & Power House, State Route...
Significance: Originally built as a depot for storage of powder and other armaments, during the 20th century Picatinny Arsenal became a leading facility for the research, development and production of munitions... More
Picatinny Arsenal, 500 Area, Powder Factory & Power House, State Route...
Significance: Originally built as a depot for storage of powder and other armaments, during the 20th century Picatinny Arsenal became a leading facility for the research, development and production of munitions... More
Picatinny Arsenal, 500 Area, Powder Factory & Power House, State Route...
Significance: Originally built as a depot for storage of powder and other armaments, during the 20th century Picatinny Arsenal became a leading facility for the research, development and production of munitions... More
Picatinny Arsenal, 500 Area, Powder Factory & Power House, State Route...
Significance: Originally built as a depot for storage of powder and other armaments, during the 20th century Picatinny Arsenal became a leading facility for the research, development and production of munitions... More
Powder Works Bridge, Spanning San Lorenzo River, Keystone Way, Paradis...
type-4 Smith Truss; 180' long; 2 span Significance: Powder Works Bridge is the second oldest of twenty-one extant Smith truss covered bridges in the United States. It was built in 1872 for the California Powde... More
Heckert Oil Pumping Jack, 0.6 mile North of Connoquenessing Creek, 0.1...
Significance: Historically significant as a relatively rare survivor of the early-twentieth-century oil industry in southwestern Pennsylvania; manufactured by a short-lived, small manufacturing division of the ... More
Heckert Oil Pumping Jack, 0.6 mile North of Connoquenessing Creek, 0.1...
Significance: Historically significant as a relatively rare survivor of the early-twentieth-century oil industry in southwestern Pennsylvania; manufactured by a short-lived, small manufacturing division of the ... More