Monongahela River Lock & Dam No. 7, River Mile No. 85, Greensboro, Gre...
Part of the Monongahela River Recording Project, which included HAER PA-300, Port Perry Bridge; HAER PA-385, Monongahela Navation Company Lock and Dam No. 7; and HAER PA-304, Lower Monongahela River Public Impr... More
General Dynamics Corporation Shipyard, Dravo Cranes, 97 East Howard St...
Significance: The versatile Dravo Cranes are significant as an integral component of several phases of the shipbuilding processes at the Quincy-Fore River Shipyard from the early 1940s to 1984. Survey number: ... More
Shippingport Atomic Power Station, On Ohio River, 25 miles Northwest o...
Written data based on U.S. Department of Energy booklet, "Shippingport: The Nation's First Atomic Power Station" (1983). Significance: Operational in December, 1957, Shippingport Atomic Power Station was the fi... More
Shippingport Atomic Power Station, On Ohio River, 25 miles Northwest o...
Written data based on U.S. Department of Energy booklet, "Shippingport: The Nation's First Atomic Power Station" (1983). Significance: Operational in December, 1957, Shippingport Atomic Power Station was the fi... More
Shippingport Atomic Power Station, On Ohio River, 25 miles Northwest o...
Written data based on U.S. Department of Energy booklet, "Shippingport: The Nation's First Atomic Power Station" (1983). Significance: Operational in December, 1957, Shippingport Atomic Power Station was the fi... More
Shippingport Atomic Power Station, On Ohio River, 25 miles Northwest o...
Written data based on U.S. Department of Energy booklet, "Shippingport: The Nation's First Atomic Power Station" (1983). Significance: Operational in December, 1957, Shippingport Atomic Power Station was the fi... More
Shippingport Atomic Power Station, On Ohio River, 25 miles Northwest o...
Written data based on U.S. Department of Energy booklet, "Shippingport: The Nation's First Atomic Power Station" (1983). Significance: Operational in December, 1957, Shippingport Atomic Power Station was the fi... More
Shippingport Atomic Power Station, On Ohio River, 25 miles Northwest o...
Written data based on U.S. Department of Energy booklet, "Shippingport: The Nation's First Atomic Power Station" (1983). Significance: Operational in December, 1957, Shippingport Atomic Power Station was the fi... More
Monongahela River Lock & Dam No. 7, River Mile No. 85, Greensboro, Gre...
Part of the Monongahela River Recording Project, which included HAER PA-300, Port Perry Bridge; HAER PA-385, Monongahela Navation Company Lock and Dam No. 7; and HAER PA-304, Lower Monongahela River Public Impr... More
Monongahela River Lock & Dam No. 7, River Mile No. 85, Greensboro, Gre...
Part of the Monongahela River Recording Project, which included HAER PA-300, Port Perry Bridge; HAER PA-385, Monongahela Navation Company Lock and Dam No. 7; and HAER PA-304, Lower Monongahela River Public Impr... More
Monongahela River Lock & Dam No. 7, River Mile No. 85, Greensboro, Gre...
Part of the Monongahela River Recording Project, which included HAER PA-300, Port Perry Bridge; HAER PA-385, Monongahela Navation Company Lock and Dam No. 7; and HAER PA-304, Lower Monongahela River Public Impr... More
U.S. Steel Edgar Thomson Works, Blast Furnace Plant, Along Monongahela...
Survey number: HAER PA-384-A Building/structure dates: 1898 Initial Construction Building/structure dates: 1916 Subsequent Work Building/structure dates: 1927 Subsequent Work Building/structure dates: 1941-... More
U.S. Steel Edgar Thomson Works, Blast Furnace Plant, Along Monongahela...
Survey number: HAER PA-384-A Building/structure dates: 1898 Initial Construction Building/structure dates: 1916 Subsequent Work Building/structure dates: 1927 Subsequent Work Building/structure dates: 1941-... More
General Dynamics Corporation Shipyard, Dravo Cranes, 97 East Howard St...
Significance: The versatile Dravo Cranes are significant as an integral component of several phases of the shipbuilding processes at the Quincy-Fore River Shipyard from the early 1940s to 1984. Survey number: ... More
Shippingport Atomic Power Station, On Ohio River, 25 miles Northwest o...
Written data based on U.S. Department of Energy booklet, "Shippingport: The Nation's First Atomic Power Station" (1983). Significance: Operational in December, 1957, Shippingport Atomic Power Station was the fi... More
Shippingport Atomic Power Station, On Ohio River, 25 miles Northwest o...
Written data based on U.S. Department of Energy booklet, "Shippingport: The Nation's First Atomic Power Station" (1983). Significance: Operational in December, 1957, Shippingport Atomic Power Station was the fi... More
Shippingport Atomic Power Station, On Ohio River, 25 miles Northwest o...
Written data based on U.S. Department of Energy booklet, "Shippingport: The Nation's First Atomic Power Station" (1983). Significance: Operational in December, 1957, Shippingport Atomic Power Station was the fi... More
Shippingport Atomic Power Station, On Ohio River, 25 miles Northwest o...
Written data based on U.S. Department of Energy booklet, "Shippingport: The Nation's First Atomic Power Station" (1983). Significance: Operational in December, 1957, Shippingport Atomic Power Station was the fi... More
Shippingport Atomic Power Station, On Ohio River, 25 miles Northwest o...
Written data based on U.S. Department of Energy booklet, "Shippingport: The Nation's First Atomic Power Station" (1983). Significance: Operational in December, 1957, Shippingport Atomic Power Station was the fi... More
Shippingport Atomic Power Station, On Ohio River, 25 miles Northwest o...
Written data based on U.S. Department of Energy booklet, "Shippingport: The Nation's First Atomic Power Station" (1983). Significance: Operational in December, 1957, Shippingport Atomic Power Station was the fi... More
Shippingport Atomic Power Station, On Ohio River, 25 miles Northwest o...
Written data based on U.S. Department of Energy booklet, "Shippingport: The Nation's First Atomic Power Station" (1983). Significance: Operational in December, 1957, Shippingport Atomic Power Station was the fi... More
Shippingport Atomic Power Station, On Ohio River, 25 miles Northwest o...
Written data based on U.S. Department of Energy booklet, "Shippingport: The Nation's First Atomic Power Station" (1983). Significance: Operational in December, 1957, Shippingport Atomic Power Station was the fi... More
Shippingport Atomic Power Station, On Ohio River, 25 miles Northwest o...
Written data based on U.S. Department of Energy booklet, "Shippingport: The Nation's First Atomic Power Station" (1983). Significance: Operational in December, 1957, Shippingport Atomic Power Station was the fi... More
Shippingport Atomic Power Station, On Ohio River, 25 miles Northwest o...
Written data based on U.S. Department of Energy booklet, "Shippingport: The Nation's First Atomic Power Station" (1983). Significance: Operational in December, 1957, Shippingport Atomic Power Station was the fi... More
Shippingport Atomic Power Station, On Ohio River, 25 miles Northwest o...
Written data based on U.S. Department of Energy booklet, "Shippingport: The Nation's First Atomic Power Station" (1983). Significance: Operational in December, 1957, Shippingport Atomic Power Station was the fi... More
Monongahela River Lock & Dam No. 7, River Mile No. 85, Greensboro, Gre...
Part of the Monongahela River Recording Project, which included HAER PA-300, Port Perry Bridge; HAER PA-385, Monongahela Navation Company Lock and Dam No. 7; and HAER PA-304, Lower Monongahela River Public Impr... More
Monongahela River Lock & Dam No. 7, River Mile No. 85, Greensboro, Gre...
Part of the Monongahela River Recording Project, which included HAER PA-300, Port Perry Bridge; HAER PA-385, Monongahela Navation Company Lock and Dam No. 7; and HAER PA-304, Lower Monongahela River Public Impr... More
Monongahela River Lock & Dam No. 7, River Mile No. 85, Greensboro, Gre...
Part of the Monongahela River Recording Project, which included HAER PA-300, Port Perry Bridge; HAER PA-385, Monongahela Navation Company Lock and Dam No. 7; and HAER PA-304, Lower Monongahela River Public Impr... More
U.S. Steel Edgar Thomson Works, Blast Furnace Plant, Along Monongahela...
Survey number: HAER PA-384-A Building/structure dates: 1898 Initial Construction Building/structure dates: 1916 Subsequent Work Building/structure dates: 1927 Subsequent Work Building/structure dates: 1941-... More
General Dynamics Corporation Shipyard, Dravo Cranes, 97 East Howard St...
Significance: The versatile Dravo Cranes are significant as an integral component of several phases of the shipbuilding processes at the Quincy-Fore River Shipyard from the early 1940s to 1984. Survey number: ... More
General Dynamics Corporation Shipyard, Dravo Cranes, 97 East Howard St...
Significance: The versatile Dravo Cranes are significant as an integral component of several phases of the shipbuilding processes at the Quincy-Fore River Shipyard from the early 1940s to 1984. Survey number: ... More
Shippingport Atomic Power Station, On Ohio River, 25 miles Northwest o...
Written data based on U.S. Department of Energy booklet, "Shippingport: The Nation's First Atomic Power Station" (1983). Significance: Operational in December, 1957, Shippingport Atomic Power Station was the fi... More
Shippingport Atomic Power Station, On Ohio River, 25 miles Northwest o...
Written data based on U.S. Department of Energy booklet, "Shippingport: The Nation's First Atomic Power Station" (1983). Significance: Operational in December, 1957, Shippingport Atomic Power Station was the fi... More
Shippingport Atomic Power Station, On Ohio River, 25 miles Northwest o...
Written data based on U.S. Department of Energy booklet, "Shippingport: The Nation's First Atomic Power Station" (1983). Significance: Operational in December, 1957, Shippingport Atomic Power Station was the fi... More
Shippingport Atomic Power Station, On Ohio River, 25 miles Northwest o...
Written data based on U.S. Department of Energy booklet, "Shippingport: The Nation's First Atomic Power Station" (1983). Significance: Operational in December, 1957, Shippingport Atomic Power Station was the fi... More
Shippingport Atomic Power Station, On Ohio River, 25 miles Northwest o...
Written data based on U.S. Department of Energy booklet, "Shippingport: The Nation's First Atomic Power Station" (1983). Significance: Operational in December, 1957, Shippingport Atomic Power Station was the fi... More
Shippingport Atomic Power Station, On Ohio River, 25 miles Northwest o...
Written data based on U.S. Department of Energy booklet, "Shippingport: The Nation's First Atomic Power Station" (1983). Significance: Operational in December, 1957, Shippingport Atomic Power Station was the fi... More
Shippingport Atomic Power Station, On Ohio River, 25 miles Northwest o...
Written data based on U.S. Department of Energy booklet, "Shippingport: The Nation's First Atomic Power Station" (1983). Significance: Operational in December, 1957, Shippingport Atomic Power Station was the fi... More
Shippingport Atomic Power Station, On Ohio River, 25 miles Northwest o...
Written data based on U.S. Department of Energy booklet, "Shippingport: The Nation's First Atomic Power Station" (1983). Significance: Operational in December, 1957, Shippingport Atomic Power Station was the fi... More
Shippingport Atomic Power Station, On Ohio River, 25 miles Northwest o...
Written data based on U.S. Department of Energy booklet, "Shippingport: The Nation's First Atomic Power Station" (1983). Significance: Operational in December, 1957, Shippingport Atomic Power Station was the fi... More
Shippingport Atomic Power Station, On Ohio River, 25 miles Northwest o...
Written data based on U.S. Department of Energy booklet, "Shippingport: The Nation's First Atomic Power Station" (1983). Significance: Operational in December, 1957, Shippingport Atomic Power Station was the fi... More
Monongahela River Lock & Dam No. 7, River Mile No. 85, Greensboro, Gre...
Part of the Monongahela River Recording Project, which included HAER PA-300, Port Perry Bridge; HAER PA-385, Monongahela Navation Company Lock and Dam No. 7; and HAER PA-304, Lower Monongahela River Public Impr... More
Monongahela River Lock & Dam No. 7, River Mile No. 85, Greensboro, Gre...
Part of the Monongahela River Recording Project, which included HAER PA-300, Port Perry Bridge; HAER PA-385, Monongahela Navation Company Lock and Dam No. 7; and HAER PA-304, Lower Monongahela River Public Impr... More
Monongahela River Lock & Dam No. 7, River Mile No. 85, Greensboro, Gre...
Part of the Monongahela River Recording Project, which included HAER PA-300, Port Perry Bridge; HAER PA-385, Monongahela Navation Company Lock and Dam No. 7; and HAER PA-304, Lower Monongahela River Public Impr... More
Monongahela River Lock & Dam No. 7, River Mile No. 85, Greensboro, Gre...
Part of the Monongahela River Recording Project, which included HAER PA-300, Port Perry Bridge; HAER PA-385, Monongahela Navation Company Lock and Dam No. 7; and HAER PA-304, Lower Monongahela River Public Impr... More
Monongahela River Lock & Dam No. 7, River Mile No. 85, Greensboro, Gre...
Part of the Monongahela River Recording Project, which included HAER PA-300, Port Perry Bridge; HAER PA-385, Monongahela Navation Company Lock and Dam No. 7; and HAER PA-304, Lower Monongahela River Public Impr... More
Monongahela River Lock & Dam No. 7, River Mile No. 85, Greensboro, Gre...
Part of the Monongahela River Recording Project, which included HAER PA-300, Port Perry Bridge; HAER PA-385, Monongahela Navation Company Lock and Dam No. 7; and HAER PA-304, Lower Monongahela River Public Impr... More
Monongahela River Lock & Dam No. 7, River Mile No. 85, Greensboro, Gre...
Part of the Monongahela River Recording Project, which included HAER PA-300, Port Perry Bridge; HAER PA-385, Monongahela Navation Company Lock and Dam No. 7; and HAER PA-304, Lower Monongahela River Public Impr... More
U.S. Steel Edgar Thomson Works, Blast Furnace Plant, Along Monongahela...
Survey number: HAER PA-384-A Building/structure dates: 1898 Initial Construction Building/structure dates: 1916 Subsequent Work Building/structure dates: 1927 Subsequent Work Building/structure dates: 1941-... More
Shippingport Atomic Power Station, On Ohio River, 25 miles Northwest o...
Written data based on U.S. Department of Energy booklet, "Shippingport: The Nation's First Atomic Power Station" (1983). Significance: Operational in December, 1957, Shippingport Atomic Power Station was the fi... More
Shippingport Atomic Power Station, On Ohio River, 25 miles Northwest o...
Written data based on U.S. Department of Energy booklet, "Shippingport: The Nation's First Atomic Power Station" (1983). Significance: Operational in December, 1957, Shippingport Atomic Power Station was the fi... More
Shippingport Atomic Power Station, On Ohio River, 25 miles Northwest o...
Written data based on U.S. Department of Energy booklet, "Shippingport: The Nation's First Atomic Power Station" (1983). Significance: Operational in December, 1957, Shippingport Atomic Power Station was the fi... More
Shippingport Atomic Power Station, On Ohio River, 25 miles Northwest o...
Written data based on U.S. Department of Energy booklet, "Shippingport: The Nation's First Atomic Power Station" (1983). Significance: Operational in December, 1957, Shippingport Atomic Power Station was the fi... More
Shippingport Atomic Power Station, On Ohio River, 25 miles Northwest o...
Written data based on U.S. Department of Energy booklet, "Shippingport: The Nation's First Atomic Power Station" (1983). Significance: Operational in December, 1957, Shippingport Atomic Power Station was the fi... More
Shippingport Atomic Power Station, On Ohio River, 25 miles Northwest o...
Written data based on U.S. Department of Energy booklet, "Shippingport: The Nation's First Atomic Power Station" (1983). Significance: Operational in December, 1957, Shippingport Atomic Power Station was the fi... More
Shippingport Atomic Power Station, On Ohio River, 25 miles Northwest o...
Written data based on U.S. Department of Energy booklet, "Shippingport: The Nation's First Atomic Power Station" (1983). Significance: Operational in December, 1957, Shippingport Atomic Power Station was the fi... More
Shippingport Atomic Power Station, On Ohio River, 25 miles Northwest o...
Written data based on U.S. Department of Energy booklet, "Shippingport: The Nation's First Atomic Power Station" (1983). Significance: Operational in December, 1957, Shippingport Atomic Power Station was the fi... More
Monongahela River Lock & Dam No. 7, River Mile No. 85, Greensboro, Gre...
Part of the Monongahela River Recording Project, which included HAER PA-300, Port Perry Bridge; HAER PA-385, Monongahela Navation Company Lock and Dam No. 7; and HAER PA-304, Lower Monongahela River Public Impr... More
Shippingport Atomic Power Station, On Ohio River, 25 miles Northwest o...
Written data based on U.S. Department of Energy booklet, "Shippingport: The Nation's First Atomic Power Station" (1983). Significance: Operational in December, 1957, Shippingport Atomic Power Station was the fi... More
Shippingport Atomic Power Station, On Ohio River, 25 miles Northwest o...
Written data based on U.S. Department of Energy booklet, "Shippingport: The Nation's First Atomic Power Station" (1983). Significance: Operational in December, 1957, Shippingport Atomic Power Station was the fi... More
Shippingport Atomic Power Station, On Ohio River, 25 miles Northwest o...
Written data based on U.S. Department of Energy booklet, "Shippingport: The Nation's First Atomic Power Station" (1983). Significance: Operational in December, 1957, Shippingport Atomic Power Station was the fi... More
Shippingport Atomic Power Station, On Ohio River, 25 miles Northwest o...
Written data based on U.S. Department of Energy booklet, "Shippingport: The Nation's First Atomic Power Station" (1983). Significance: Operational in December, 1957, Shippingport Atomic Power Station was the fi... More
Shippingport Atomic Power Station, On Ohio River, 25 miles Northwest o...
Written data based on U.S. Department of Energy booklet, "Shippingport: The Nation's First Atomic Power Station" (1983). Significance: Operational in December, 1957, Shippingport Atomic Power Station was the fi... More
Shippingport Atomic Power Station, On Ohio River, 25 miles Northwest o...
Written data based on U.S. Department of Energy booklet, "Shippingport: The Nation's First Atomic Power Station" (1983). Significance: Operational in December, 1957, Shippingport Atomic Power Station was the fi... More
Shippingport Atomic Power Station, On Ohio River, 25 miles Northwest o...
Written data based on U.S. Department of Energy booklet, "Shippingport: The Nation's First Atomic Power Station" (1983). Significance: Operational in December, 1957, Shippingport Atomic Power Station was the fi... More
Shippingport Atomic Power Station, On Ohio River, 25 miles Northwest o...
Written data based on U.S. Department of Energy booklet, "Shippingport: The Nation's First Atomic Power Station" (1983). Significance: Operational in December, 1957, Shippingport Atomic Power Station was the fi... More
Shippingport Atomic Power Station, On Ohio River, 25 miles Northwest o...
Written data based on U.S. Department of Energy booklet, "Shippingport: The Nation's First Atomic Power Station" (1983). Significance: Operational in December, 1957, Shippingport Atomic Power Station was the fi... More
Shippingport Atomic Power Station, On Ohio River, 25 miles Northwest o...
Written data based on U.S. Department of Energy booklet, "Shippingport: The Nation's First Atomic Power Station" (1983). Significance: Operational in December, 1957, Shippingport Atomic Power Station was the fi... More
Shippingport Atomic Power Station, On Ohio River, 25 miles Northwest o...
Written data based on U.S. Department of Energy booklet, "Shippingport: The Nation's First Atomic Power Station" (1983). Significance: Operational in December, 1957, Shippingport Atomic Power Station was the fi... More
Shippingport Atomic Power Station, On Ohio River, 25 miles Northwest o...
Written data based on U.S. Department of Energy booklet, "Shippingport: The Nation's First Atomic Power Station" (1983). Significance: Operational in December, 1957, Shippingport Atomic Power Station was the fi... More
Shippingport Atomic Power Station, On Ohio River, 25 miles Northwest o...
Written data based on U.S. Department of Energy booklet, "Shippingport: The Nation's First Atomic Power Station" (1983). Significance: Operational in December, 1957, Shippingport Atomic Power Station was the fi... More
Shippingport Atomic Power Station, On Ohio River, 25 miles Northwest o...
Written data based on U.S. Department of Energy booklet, "Shippingport: The Nation's First Atomic Power Station" (1983). Significance: Operational in December, 1957, Shippingport Atomic Power Station was the fi... More
Shippingport Atomic Power Station, On Ohio River, 25 miles Northwest o...
Written data based on U.S. Department of Energy booklet, "Shippingport: The Nation's First Atomic Power Station" (1983). Significance: Operational in December, 1957, Shippingport Atomic Power Station was the fi... More
Shippingport Atomic Power Station, On Ohio River, 25 miles Northwest o...
Written data based on U.S. Department of Energy booklet, "Shippingport: The Nation's First Atomic Power Station" (1983). Significance: Operational in December, 1957, Shippingport Atomic Power Station was the fi... More
Monongahela River Lock & Dam No. 7, River Mile No. 85, Greensboro, Gre...
Part of the Monongahela River Recording Project, which included HAER PA-300, Port Perry Bridge; HAER PA-385, Monongahela Navation Company Lock and Dam No. 7; and HAER PA-304, Lower Monongahela River Public Impr... More
Monongahela River Lock & Dam No. 7, River Mile No. 85, Greensboro, Gre...
Part of the Monongahela River Recording Project, which included HAER PA-300, Port Perry Bridge; HAER PA-385, Monongahela Navation Company Lock and Dam No. 7; and HAER PA-304, Lower Monongahela River Public Impr... More
Shippingport Atomic Power Station, On Ohio River, 25 miles Northwest o...
Written data based on U.S. Department of Energy booklet, "Shippingport: The Nation's First Atomic Power Station" (1983). Significance: Operational in December, 1957, Shippingport Atomic Power Station was the fi... More
Shippingport Atomic Power Station, On Ohio River, 25 miles Northwest o...
Written data based on U.S. Department of Energy booklet, "Shippingport: The Nation's First Atomic Power Station" (1983). Significance: Operational in December, 1957, Shippingport Atomic Power Station was the fi... More
Shippingport Atomic Power Station, On Ohio River, 25 miles Northwest o...
Written data based on U.S. Department of Energy booklet, "Shippingport: The Nation's First Atomic Power Station" (1983). Significance: Operational in December, 1957, Shippingport Atomic Power Station was the fi... More
Shippingport Atomic Power Station, On Ohio River, 25 miles Northwest o...
Written data based on U.S. Department of Energy booklet, "Shippingport: The Nation's First Atomic Power Station" (1983). Significance: Operational in December, 1957, Shippingport Atomic Power Station was the fi... More
Shippingport Atomic Power Station, On Ohio River, 25 miles Northwest o...
Written data based on U.S. Department of Energy booklet, "Shippingport: The Nation's First Atomic Power Station" (1983). Significance: Operational in December, 1957, Shippingport Atomic Power Station was the fi... More
Shippingport Atomic Power Station, On Ohio River, 25 miles Northwest o...
Written data based on U.S. Department of Energy booklet, "Shippingport: The Nation's First Atomic Power Station" (1983). Significance: Operational in December, 1957, Shippingport Atomic Power Station was the fi... More
Shippingport Atomic Power Station, On Ohio River, 25 miles Northwest o...
Written data based on U.S. Department of Energy booklet, "Shippingport: The Nation's First Atomic Power Station" (1983). Significance: Operational in December, 1957, Shippingport Atomic Power Station was the fi... More
Shippingport Atomic Power Station, On Ohio River, 25 miles Northwest o...
Written data based on U.S. Department of Energy booklet, "Shippingport: The Nation's First Atomic Power Station" (1983). Significance: Operational in December, 1957, Shippingport Atomic Power Station was the fi... More
Shippingport Atomic Power Station, On Ohio River, 25 miles Northwest o...
Written data based on U.S. Department of Energy booklet, "Shippingport: The Nation's First Atomic Power Station" (1983). Significance: Operational in December, 1957, Shippingport Atomic Power Station was the fi... More
Shippingport Atomic Power Station, On Ohio River, 25 miles Northwest o...
Written data based on U.S. Department of Energy booklet, "Shippingport: The Nation's First Atomic Power Station" (1983). Significance: Operational in December, 1957, Shippingport Atomic Power Station was the fi... More
Shippingport Atomic Power Station, On Ohio River, 25 miles Northwest o...
Written data based on U.S. Department of Energy booklet, "Shippingport: The Nation's First Atomic Power Station" (1983). Significance: Operational in December, 1957, Shippingport Atomic Power Station was the fi... More
Shippingport Atomic Power Station, On Ohio River, 25 miles Northwest o...
Written data based on U.S. Department of Energy booklet, "Shippingport: The Nation's First Atomic Power Station" (1983). Significance: Operational in December, 1957, Shippingport Atomic Power Station was the fi... More
Shippingport Atomic Power Station, On Ohio River, 25 miles Northwest o...
Written data based on U.S. Department of Energy booklet, "Shippingport: The Nation's First Atomic Power Station" (1983). Significance: Operational in December, 1957, Shippingport Atomic Power Station was the fi... More
Shippingport Atomic Power Station, On Ohio River, 25 miles Northwest o...
Written data based on U.S. Department of Energy booklet, "Shippingport: The Nation's First Atomic Power Station" (1983). Significance: Operational in December, 1957, Shippingport Atomic Power Station was the fi... More
Shippingport Atomic Power Station, On Ohio River, 25 miles Northwest o...
Written data based on U.S. Department of Energy booklet, "Shippingport: The Nation's First Atomic Power Station" (1983). Significance: Operational in December, 1957, Shippingport Atomic Power Station was the fi... More
Shippingport Atomic Power Station, On Ohio River, 25 miles Northwest o...
Written data based on U.S. Department of Energy booklet, "Shippingport: The Nation's First Atomic Power Station" (1983). Significance: Operational in December, 1957, Shippingport Atomic Power Station was the fi... More
Monongahela River Lock & Dam No. 7, River Mile No. 85, Greensboro, Gre...
Part of the Monongahela River Recording Project, which included HAER PA-300, Port Perry Bridge; HAER PA-385, Monongahela Navation Company Lock and Dam No. 7; and HAER PA-304, Lower Monongahela River Public Impr... More
Monongahela River Lock & Dam No. 7, River Mile No. 85, Greensboro, Gre...
Part of the Monongahela River Recording Project, which included HAER PA-300, Port Perry Bridge; HAER PA-385, Monongahela Navation Company Lock and Dam No. 7; and HAER PA-304, Lower Monongahela River Public Impr... More
Monongahela River Lock & Dam No. 7, River Mile No. 85, Greensboro, Gre...
Part of the Monongahela River Recording Project, which included HAER PA-300, Port Perry Bridge; HAER PA-385, Monongahela Navation Company Lock and Dam No. 7; and HAER PA-304, Lower Monongahela River Public Impr... More
Monongahela River Lock & Dam No. 7, River Mile No. 85, Greensboro, Gre...
Part of the Monongahela River Recording Project, which included HAER PA-300, Port Perry Bridge; HAER PA-385, Monongahela Navation Company Lock and Dam No. 7; and HAER PA-304, Lower Monongahela River Public Impr... More
U.S. Steel Edgar Thomson Works, Blast Furnace Plant, Along Monongahela...
Survey number: HAER PA-384-A Building/structure dates: 1898 Initial Construction Building/structure dates: 1916 Subsequent Work Building/structure dates: 1927 Subsequent Work Building/structure dates: 1941-... More
U.S. Steel Edgar Thomson Works, Blast Furnace Plant, Along Monongahela...
Survey number: HAER PA-384-A Building/structure dates: 1898 Initial Construction Building/structure dates: 1916 Subsequent Work Building/structure dates: 1927 Subsequent Work Building/structure dates: 1941-... More
General Dynamics Corporation Shipyard, Dravo Cranes, 97 East Howard St...
Significance: The versatile Dravo Cranes are significant as an integral component of several phases of the shipbuilding processes at the Quincy-Fore River Shipyard from the early 1940s to 1984. Survey number: ... More
General Dynamics Corporation Shipyard, Dravo Cranes, 97 East Howard St...
Significance: The versatile Dravo Cranes are significant as an integral component of several phases of the shipbuilding processes at the Quincy-Fore River Shipyard from the early 1940s to 1984. Survey number: ... More