Conrail Port Perry Bridge, Spanning Monongahela River, Port Perry, All...
Part of the Monongahela River Recording Project, which included HAER PA-385, Monongahela Navation Company Lock and Dam No. 7; HAER PA-299, Monongahela Lock and Dam No. 7; and HAER PA-304, Lower Monongahela Rive... 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
Aluminum City Terrace, East Hill Drive, New Kensington, Westmoreland C...
See also HAER PA-343 for related documentation. Includes written data. Significance: Aluminum City Terrace, the only housing project in America designed by world-renowned architects Walter Gropius and Marcel Br... More
Hillman Barge & Construction Company, Paul Thomas Boulevard, Brownsvil...
Significance: The Hillman Barge facility is significant in the commercial and industrial development of southwestern Pennsylvania as a fabricator of shipping vessels. Beginning as a distribution facility for c... More
Hillman Barge & Construction Company, Paul Thomas Boulevard, Brownsvil...
Significance: The Hillman Barge facility is significant in the commercial and industrial development of southwestern Pennsylvania as a fabricator of shipping vessels. Beginning as a distribution facility for c... More
Graniteville Mill, Marshall Street, Graniteville, Aiken County, SC
Significance: Graniteville Mill was one of the largest mills in the South during the antebellum period. The original mill, canal, school house, and a number of original Gothic Revival houses are still extant a... More
Graniteville Mill, Marshall Street, Graniteville, Aiken County, SC
Significance: Graniteville Mill was one of the largest mills in the South during the antebellum period. The original mill, canal, school house, and a number of original Gothic Revival houses are still extant a... More
Graniteville Mill, Marshall Street, Graniteville, Aiken County, SC
Significance: Graniteville Mill was one of the largest mills in the South during the antebellum period. The original mill, canal, school house, and a number of original Gothic Revival houses are still extant a... More
W. A. Young & Sons Foundry & Machine Shop, On Water Street along Monon...
Significance: W. A. Young and Sons Foundry and Machine Shop is a well-preserved example of a local machine shop that served the industrial and personal needs of its surrounding area. It represents a transition... More
W. A. Young & Sons Foundry & Machine Shop, On Water Street along Monon...
Significance: W. A. Young and Sons Foundry and Machine Shop is a well-preserved example of a local machine shop that served the industrial and personal needs of its surrounding area. It represents a transition... More
Potomac Power Plant, On West Virginia Shore of Potomac River, about 1 ...
Significance: The Potomac Power Plant was an innovative small hydroelectric facility that operated from 1899 to 1991, originally as part of a wood pulp mill (built 1888), and solely as a power house after a fir... More
Potomac Power Plant, On West Virginia Shore of Potomac River, about 1 ...
Significance: The Potomac Power Plant was an innovative small hydroelectric facility that operated from 1899 to 1991, originally as part of a wood pulp mill (built 1888), and solely as a power house after a fir... More
Potomac Power Plant, On West Virginia Shore of Potomac River, about 1 ...
Significance: The Potomac Power Plant was an innovative small hydroelectric facility that operated from 1899 to 1991, originally as part of a wood pulp mill (built 1888), and solely as a power house after a fir... More
Potomac Power Plant, On West Virginia Shore of Potomac River, about 1 ...
Significance: The Potomac Power Plant was an innovative small hydroelectric facility that operated from 1899 to 1991, originally as part of a wood pulp mill (built 1888), and solely as a power house after a fir... More
Monongahela Navigation Company Lock & Dam No. 7, River Mile No. 82.5, ...
Part of the Monongahela River Recording Project, which included HAER PA-300, Port Perry Bridge; HAER PA-299, Monongahela Lock and Dam No. 7; and HAER PA-304, Lower Monongahela River Public Improvements. Individ... More
Conrail Port Perry Bridge, Spanning Monongahela River, Port Perry, All...
Part of the Monongahela River Recording Project, which included HAER PA-385, Monongahela Navation Company Lock and Dam No. 7; HAER PA-299, Monongahela Lock and Dam No. 7; and HAER PA-304, Lower Monongahela Rive... More
Conrail Port Perry Bridge, Spanning Monongahela River, Port Perry, All...
Part of the Monongahela River Recording Project, which included HAER PA-385, Monongahela Navation Company Lock and Dam No. 7; HAER PA-299, Monongahela Lock and Dam No. 7; and HAER PA-304, Lower Monongahela Rive... 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
Mesta 160-Inch Plate Mill, Defense Plant Corporation, Homestead Works,...
See also HAER PA-200-F for additional documentation. Includes photographs. See also HAER PA-343 for related documentation. Includes written data. Significance: Rated with an annual capacity of six hundred thous... More
U.S. Steel Duquesne Works, West bank of Monongahela River along State ...
Significance: The construction of the Duquesne Steel Works marked an important event in the movement toward integrated steel producing ventures in the Monongahela Valley of western Pennsylvania. Constructed af... More
Hillman Barge & Construction Company, Paul Thomas Boulevard, Brownsvil...
Significance: The Hillman Barge facility is significant in the commercial and industrial development of southwestern Pennsylvania as a fabricator of shipping vessels. Beginning as a distribution facility for c... More
Hillman Barge & Construction Company, Paul Thomas Boulevard, Brownsvil...
Significance: The Hillman Barge facility is significant in the commercial and industrial development of southwestern Pennsylvania as a fabricator of shipping vessels. Beginning as a distribution facility for c... More
Hillman Barge & Construction Company, Paul Thomas Boulevard, Brownsvil...
Significance: The Hillman Barge facility is significant in the commercial and industrial development of southwestern Pennsylvania as a fabricator of shipping vessels. Beginning as a distribution facility for c... More
Hillman Barge & Construction Company, Paul Thomas Boulevard, Brownsvil...
Significance: The Hillman Barge facility is significant in the commercial and industrial development of southwestern Pennsylvania as a fabricator of shipping vessels. Beginning as a distribution facility for c... More
Hillman Barge & Construction Company, Paul Thomas Boulevard, Brownsvil...
Significance: The Hillman Barge facility is significant in the commercial and industrial development of southwestern Pennsylvania as a fabricator of shipping vessels. Beginning as a distribution facility for c... More
Hillman Barge & Construction Company, Paul Thomas Boulevard, Brownsvil...
Significance: The Hillman Barge facility is significant in the commercial and industrial development of southwestern Pennsylvania as a fabricator of shipping vessels. Beginning as a distribution facility for c... More
Tolson's Chapel, 111 East High Street, Sharpsburg, Washington County, ...
Significance: Tolson's Chapel served as a church and a Freedman's Bureau school for black residents of Sharpsburg in the years following the American Civil War. Establishing religious and educational instituti... 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
Scarlets Mill Bridge, Spanning former Reading Railroad, Scarlets Mill,...
Significance: The Scarlets Mill Bridge is a cast- and wrought-iron Pratt-type truss with a rolled upper chord arched in the form of an ellipse, one of many built in the 1870s and 1880s for the Philadelphia and ... More
Monongahela Railway Company Shops, Water Street & Seventeenth Street, ...
Significance: The Monongahela Railway Company Shops reflect the support needs of a railroad significant in the coal, coke, and steel industries of Southwest Pennsylvania in the twentieth century, particularly i... More
Potomac Power Plant, On West Virginia Shore of Potomac River, about 1 ...
Significance: The Potomac Power Plant was an innovative small hydroelectric facility that operated from 1899 to 1991, originally as part of a wood pulp mill (built 1888), and solely as a power house after a fir... More
Potomac Power Plant, On West Virginia Shore of Potomac River, about 1 ...
Significance: The Potomac Power Plant was an innovative small hydroelectric facility that operated from 1899 to 1991, originally as part of a wood pulp mill (built 1888), and solely as a power house after a fir... More
Potomac Power Plant, On West Virginia Shore of Potomac River, about 1 ...
Significance: The Potomac Power Plant was an innovative small hydroelectric facility that operated from 1899 to 1991, originally as part of a wood pulp mill (built 1888), and solely as a power house after a fir... More
NASA Langley Research Center, Seaplane Towing Channel, 108 Andrews Str...
Significance: This facility performed an essential function in solving design problems that are unique to seaplanes. Several major principles of seaplane hull configuration were developed at this facility. The... More
Rush's Mill Bridge, Spanning Plum Creek at North end of Union Canal Bi...
Significance: Rush's Mill Bridge is one of a small number of composite cast- and wrought-iron bridges yet remaining in the U.S. It is also one of the few existing examples employing the Howe-truss form in whic... More
Rush's Mill Bridge, Spanning Plum Creek at North end of Union Canal Bi...
Significance: Rush's Mill Bridge is one of a small number of composite cast- and wrought-iron bridges yet remaining in the U.S. It is also one of the few existing examples employing the Howe-truss form in whic... More
Conrail Port Perry Bridge, Spanning Monongahela River, Port Perry, All...
Part of the Monongahela River Recording Project, which included HAER PA-385, Monongahela Navation Company Lock and Dam No. 7; HAER PA-299, Monongahela Lock and Dam No. 7; and HAER PA-304, Lower Monongahela Rive... 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
Aluminum City Terrace, East Hill Drive, New Kensington, Westmoreland C...
See also HAER PA-343 for related documentation. Includes written data. Significance: Aluminum City Terrace, the only housing project in America designed by world-renowned architects Walter Gropius and Marcel Br... More
Aluminum City Terrace, East Hill Drive, New Kensington, Westmoreland C...
See also HAER PA-343 for related documentation. Includes written data. Significance: Aluminum City Terrace, the only housing project in America designed by world-renowned architects Walter Gropius and Marcel Br... More
Hillman Barge & Construction Company, Paul Thomas Boulevard, Brownsvil...
Significance: The Hillman Barge facility is significant in the commercial and industrial development of southwestern Pennsylvania as a fabricator of shipping vessels. Beginning as a distribution facility for c... More
Hillman Barge & Construction Company, Paul Thomas Boulevard, Brownsvil...
Significance: The Hillman Barge facility is significant in the commercial and industrial development of southwestern Pennsylvania as a fabricator of shipping vessels. Beginning as a distribution facility for c... More
Hillman Barge & Construction Company, Paul Thomas Boulevard, Brownsvil...
Significance: The Hillman Barge facility is significant in the commercial and industrial development of southwestern Pennsylvania as a fabricator of shipping vessels. Beginning as a distribution facility for c... More
Hillman Barge & Construction Company, Paul Thomas Boulevard, Brownsvil...
Significance: The Hillman Barge facility is significant in the commercial and industrial development of southwestern Pennsylvania as a fabricator of shipping vessels. Beginning as a distribution facility for c... 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
Scarlets Mill Bridge, Spanning former Reading Railroad, Scarlets Mill,...
Significance: The Scarlets Mill Bridge is a cast- and wrought-iron Pratt-type truss with a rolled upper chord arched in the form of an ellipse, one of many built in the 1870s and 1880s for the Philadelphia and ... More
Scarlets Mill Bridge, Spanning former Reading Railroad, Scarlets Mill,...
Significance: The Scarlets Mill Bridge is a cast- and wrought-iron Pratt-type truss with a rolled upper chord arched in the form of an ellipse, one of many built in the 1870s and 1880s for the Philadelphia and ... More
Graniteville Mill, Marshall Street, Graniteville, Aiken County, SC
Significance: Graniteville Mill was one of the largest mills in the South during the antebellum period. The original mill, canal, school house, and a number of original Gothic Revival houses are still extant a... More
Graniteville Mill, Marshall Street, Graniteville, Aiken County, SC
Significance: Graniteville Mill was one of the largest mills in the South during the antebellum period. The original mill, canal, school house, and a number of original Gothic Revival houses are still extant a... More
Graniteville Mill, Marshall Street, Graniteville, Aiken County, SC
Significance: Graniteville Mill was one of the largest mills in the South during the antebellum period. The original mill, canal, school house, and a number of original Gothic Revival houses are still extant a... More
Monongahela Railway Company Shops, Water Street & Seventeenth Street, ...
Significance: The Monongahela Railway Company Shops reflect the support needs of a railroad significant in the coal, coke, and steel industries of Southwest Pennsylvania in the twentieth century, particularly i... More
W. A. Young & Sons Foundry & Machine Shop, On Water Street along Monon...
Significance: W. A. Young and Sons Foundry and Machine Shop is a well-preserved example of a local machine shop that served the industrial and personal needs of its surrounding area. It represents a transition... More
W. A. Young & Sons Foundry & Machine Shop, On Water Street along Monon...
Significance: W. A. Young and Sons Foundry and Machine Shop is a well-preserved example of a local machine shop that served the industrial and personal needs of its surrounding area. It represents a transition... More
W. A. Young & Sons Foundry & Machine Shop, On Water Street along Monon...
Significance: W. A. Young and Sons Foundry and Machine Shop is a well-preserved example of a local machine shop that served the industrial and personal needs of its surrounding area. It represents a transition... More
W. A. Young & Sons Foundry & Machine Shop, On Water Street along Monon...
Significance: W. A. Young and Sons Foundry and Machine Shop is a well-preserved example of a local machine shop that served the industrial and personal needs of its surrounding area. It represents a transition... More
W. A. Young & Sons Foundry & Machine Shop, On Water Street along Monon...
Significance: W. A. Young and Sons Foundry and Machine Shop is a well-preserved example of a local machine shop that served the industrial and personal needs of its surrounding area. It represents a transition... More
W. A. Young & Sons Foundry & Machine Shop, On Water Street along Monon...
Significance: W. A. Young and Sons Foundry and Machine Shop is a well-preserved example of a local machine shop that served the industrial and personal needs of its surrounding area. It represents a transition... More
Potomac Power Plant, On West Virginia Shore of Potomac River, about 1 ...
Significance: The Potomac Power Plant was an innovative small hydroelectric facility that operated from 1899 to 1991, originally as part of a wood pulp mill (built 1888), and solely as a power house after a fir... More
Potomac Power Plant, On West Virginia Shore of Potomac River, about 1 ...
Significance: The Potomac Power Plant was an innovative small hydroelectric facility that operated from 1899 to 1991, originally as part of a wood pulp mill (built 1888), and solely as a power house after a fir... More
NASA Langley Research Center, Seaplane Towing Channel, 108 Andrews Str...
Significance: This facility performed an essential function in solving design problems that are unique to seaplanes. Several major principles of seaplane hull configuration were developed at this facility. The... More
Monongahela Navigation Company Lock & Dam No. 7, River Mile No. 82.5, ...
Part of the Monongahela River Recording Project, which included HAER PA-300, Port Perry Bridge; HAER PA-299, Monongahela Lock and Dam No. 7; and HAER PA-304, Lower Monongahela River Public Improvements. Individ... More
Conrail Port Perry Bridge, Spanning Monongahela River, Port Perry, All...
Part of the Monongahela River Recording Project, which included HAER PA-385, Monongahela Navation Company Lock and Dam No. 7; HAER PA-299, Monongahela Lock and Dam No. 7; and HAER PA-304, Lower Monongahela Rive... More
Conrail Port Perry Bridge, Spanning Monongahela River, Port Perry, All...
Part of the Monongahela River Recording Project, which included HAER PA-385, Monongahela Navation Company Lock and Dam No. 7; HAER PA-299, Monongahela Lock and Dam No. 7; and HAER PA-304, Lower Monongahela Rive... 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 Duquesne Works, West bank of Monongahela River along State ...
Significance: The construction of the Duquesne Steel Works marked an important event in the movement toward integrated steel producing ventures in the Monongahela Valley of western Pennsylvania. Constructed af... More
Hillman Barge & Construction Company, Paul Thomas Boulevard, Brownsvil...
Significance: The Hillman Barge facility is significant in the commercial and industrial development of southwestern Pennsylvania as a fabricator of shipping vessels. Beginning as a distribution facility for c... More
Hillman Barge & Construction Company, Paul Thomas Boulevard, Brownsvil...
Significance: The Hillman Barge facility is significant in the commercial and industrial development of southwestern Pennsylvania as a fabricator of shipping vessels. Beginning as a distribution facility for c... More
Hillman Barge & Construction Company, Paul Thomas Boulevard, Brownsvil...
Significance: The Hillman Barge facility is significant in the commercial and industrial development of southwestern Pennsylvania as a fabricator of shipping vessels. Beginning as a distribution facility for c... More
Tolson's Chapel, 111 East High Street, Sharpsburg, Washington County, ...
Significance: Tolson's Chapel served as a church and a Freedman's Bureau school for black residents of Sharpsburg in the years following the American Civil War. Establishing religious and educational instituti... More
Tolson's Chapel, 111 East High Street, Sharpsburg, Washington County, ...
Significance: Tolson's Chapel served as a church and a Freedman's Bureau school for black residents of Sharpsburg in the years following the American Civil War. Establishing religious and educational instituti... More
Graniteville Mill, Marshall Street, Graniteville, Aiken County, SC
Significance: Graniteville Mill was one of the largest mills in the South during the antebellum period. The original mill, canal, school house, and a number of original Gothic Revival houses are still extant a... More
Graniteville Mill, Marshall Street, Graniteville, Aiken County, SC
Significance: Graniteville Mill was one of the largest mills in the South during the antebellum period. The original mill, canal, school house, and a number of original Gothic Revival houses are still extant a... More
Graniteville Mill, Marshall Street, Graniteville, Aiken County, SC
Significance: Graniteville Mill was one of the largest mills in the South during the antebellum period. The original mill, canal, school house, and a number of original Gothic Revival houses are still extant a... More
Monongahela Railway Company Shops, Water Street & Seventeenth Street, ...
Significance: The Monongahela Railway Company Shops reflect the support needs of a railroad significant in the coal, coke, and steel industries of Southwest Pennsylvania in the twentieth century, particularly i... More
Monongahela Railway Company Shops, Water Street & Seventeenth Street, ...
Significance: The Monongahela Railway Company Shops reflect the support needs of a railroad significant in the coal, coke, and steel industries of Southwest Pennsylvania in the twentieth century, particularly i... More
W. A. Young & Sons Foundry & Machine Shop, On Water Street along Monon...
Significance: W. A. Young and Sons Foundry and Machine Shop is a well-preserved example of a local machine shop that served the industrial and personal needs of its surrounding area. It represents a transition... More
W. A. Young & Sons Foundry & Machine Shop, On Water Street along Monon...
Significance: W. A. Young and Sons Foundry and Machine Shop is a well-preserved example of a local machine shop that served the industrial and personal needs of its surrounding area. It represents a transition... More
W. A. Young & Sons Foundry & Machine Shop, On Water Street along Monon...
Significance: W. A. Young and Sons Foundry and Machine Shop is a well-preserved example of a local machine shop that served the industrial and personal needs of its surrounding area. It represents a transition... More
Potomac Power Plant, On West Virginia Shore of Potomac River, about 1 ...
Significance: The Potomac Power Plant was an innovative small hydroelectric facility that operated from 1899 to 1991, originally as part of a wood pulp mill (built 1888), and solely as a power house after a fir... More
NASA Langley Research Center, Seaplane Towing Channel, 108 Andrews Str...
Significance: This facility performed an essential function in solving design problems that are unique to seaplanes. Several major principles of seaplane hull configuration were developed at this facility. The... More
NASA Langley Research Center, Seaplane Towing Channel, 108 Andrews Str...
Significance: This facility performed an essential function in solving design problems that are unique to seaplanes. Several major principles of seaplane hull configuration were developed at this facility. The... More
NASA Langley Research Center, Seaplane Towing Channel, 108 Andrews Str...
Significance: This facility performed an essential function in solving design problems that are unique to seaplanes. Several major principles of seaplane hull configuration were developed at this facility. The... More
Rush's Mill Bridge, Spanning Plum Creek at North end of Union Canal Bi...
Significance: Rush's Mill Bridge is one of a small number of composite cast- and wrought-iron bridges yet remaining in the U.S. It is also one of the few existing examples employing the Howe-truss form in whic... More
Textile Industry in LaGrange, Georgia, La Grange, Troup County, GA
Significance: The development of the cotton textile industry in LaGrange, Georgia (Troup County), exemplifies the development of the industry throughout the South, particularly the expansion of the southern tex... 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
Mesta 160-Inch Plate Mill, Defense Plant Corporation, Homestead Works,...
See also HAER PA-200-F for additional documentation. Includes photographs. See also HAER PA-343 for related documentation. Includes written data. Significance: Rated with an annual capacity of six hundred thous... More
Aluminum City Terrace, East Hill Drive, New Kensington, Westmoreland C...
See also HAER PA-343 for related documentation. Includes written data. Significance: Aluminum City Terrace, the only housing project in America designed by world-renowned architects Walter Gropius and Marcel Br... More
U.S. Steel Duquesne Works, West bank of Monongahela River along State ...
Significance: The construction of the Duquesne Steel Works marked an important event in the movement toward integrated steel producing ventures in the Monongahela Valley of western Pennsylvania. Constructed af... More
Hillman Barge & Construction Company, Paul Thomas Boulevard, Brownsvil...
Significance: The Hillman Barge facility is significant in the commercial and industrial development of southwestern Pennsylvania as a fabricator of shipping vessels. Beginning as a distribution facility for c... More
Hillman Barge & Construction Company, Paul Thomas Boulevard, Brownsvil...
Significance: The Hillman Barge facility is significant in the commercial and industrial development of southwestern Pennsylvania as a fabricator of shipping vessels. Beginning as a distribution facility for c... More
Hillman Barge & Construction Company, Paul Thomas Boulevard, Brownsvil...
Significance: The Hillman Barge facility is significant in the commercial and industrial development of southwestern Pennsylvania as a fabricator of shipping vessels. Beginning as a distribution facility for c... More
Tolson's Chapel, 111 East High Street, Sharpsburg, Washington County, ...
Significance: Tolson's Chapel served as a church and a Freedman's Bureau school for black residents of Sharpsburg in the years following the American Civil War. Establishing religious and educational instituti... More
Tolson's Chapel, 111 East High Street, Sharpsburg, Washington County, ...
Significance: Tolson's Chapel served as a church and a Freedman's Bureau school for black residents of Sharpsburg in the years following the American Civil War. Establishing religious and educational instituti... More