Republic Iron & Steel Company, Youngstown Works, Blooming Mill & Bloom...
Significance: The Republic Iron and Steel Company installed a United-Tod twin-tandem compound steam engine and a Mesta-Corliss cross-compound steam engine in its blooming mill building at its Youngstown Works t... More
Connellsville Coal & Coke Region, Connellsville, Fayette County, PA
See also HAER PA-259 for related documentation. Includes photographs & written data. Significance: Considered among the world's richest mineral deposits, the Pittsburgh seam of coal underlying portions of Fayet... More
Connellsville Coal & Coke Region, Connellsville, Fayette County, PA
See also HAER PA-259 for related documentation. Includes photographs & written data. Significance: Considered among the world's richest mineral deposits, the Pittsburgh seam of coal underlying portions of Fayet... More
Connellsville Coal & Coke Region, Connellsville, Fayette County, PA
See also HAER PA-259 for related documentation. Includes photographs & written data. Significance: Considered among the world's richest mineral deposits, the Pittsburgh seam of coal underlying portions of Fayet... More
West Overton, West Overton, Westmoreland County, PA
See also HABS PA-5655 through PA-5664 for additional information. Significance: The Village of West Overton grew out of a family farm established in 1803 by henry Overholt. Coming to Westmoreland County from Bu... More
Republic Iron & Steel Company, Youngstown Works, Haselton Blast Furnac...
Significance: Soon after its founding in 1899, the Republic Iron and Steel Company acquired the existing Haselton blast furnace and subsequently built four blast furnaces. These blast furnaces produced pig ir... More
Connellsville Coal & Coke Region, Connellsville, Fayette County, PA
See also HAER PA-259 for related documentation. Includes photographs & written data. Significance: Considered among the world's richest mineral deposits, the Pittsburgh seam of coal underlying portions of Fayet... More
Connellsville Coal & Coke Region, Connellsville, Fayette County, PA
See also HAER PA-259 for related documentation. Includes photographs & written data. Significance: Considered among the world's richest mineral deposits, the Pittsburgh seam of coal underlying portions of Fayet... More
Republic Iron & Steel Company, Youngstown Works, Blooming Mill & Bloom...
Significance: The Republic Iron and Steel Company installed a United-Tod twin-tandem compound steam engine and a Mesta-Corliss cross-compound steam engine in its blooming mill building at its Youngstown Works t... More
Connellsville Coal & Coke Region, Connellsville, Fayette County, PA
See also HAER PA-259 for related documentation. Includes photographs & written data. Significance: Considered among the world's richest mineral deposits, the Pittsburgh seam of coal underlying portions of Fayet... More
American Brass Company, Kenosha Works, Hot Roll Mill, Kenosha, Kenosha...
Significance: Originally installed by the American Brass Company in 1917-18, this hand-operated rolling mill was placed on line in 1918. Workers manipulated hot billets through the rolling mill, producing copp... More
Connellsville Coal & Coke Region, Connellsville, Fayette County, PA
See also HAER PA-259 for related documentation. Includes photographs & written data. Significance: Considered among the world's richest mineral deposits, the Pittsburgh seam of coal underlying portions of Fayet... More
Republic Iron & Steel Company, Youngstown Works, Blooming Mill & Bloom...
Significance: The Republic Iron and Steel Company installed a United-Tod twin-tandem compound steam engine and a Mesta-Corliss cross-compound steam engine in its blooming mill building at its Youngstown Works t... More
Griffin No. 1 Coke Works, Along Cats Run, Southeast of Masontown Bouro...
Significance: During peak production, Griffin No. 1 Coke Works operated one battery of double-block rectangular coke ovens. Sections of these ovens remain and are considered some of the best preserved rectangu... More
Griffin No. 1 Coke Works, Along Cats Run, Southeast of Masontown Bouro...
Significance: During peak production, Griffin No. 1 Coke Works operated one battery of double-block rectangular coke ovens. Sections of these ovens remain and are considered some of the best preserved rectangu... More
Royer House, Springfield Furnace, State Highway 866, .25 mile North of...
Significance: Built by the Royer family about 1810; John Royer settled in this area around 1805. Along with his brother Daniel, he established an iron furnace one-quarter mile to the south, on Piney Creek. The ... More
Republic Iron & Steel Company, Youngstown Works, Blooming Mill & Bloom...
Significance: The Republic Iron and Steel Company installed a United-Tod twin-tandem compound steam engine and a Mesta-Corliss cross-compound steam engine in its blooming mill building at its Youngstown Works t... More
Republic Iron & Steel Company, Youngstown Works, Blooming Mill & Bloom...
Significance: The Republic Iron and Steel Company installed a United-Tod twin-tandem compound steam engine and a Mesta-Corliss cross-compound steam engine in its blooming mill building at its Youngstown Works t... More
Chicago River Bascule Bridge, West Cortland Street, Spanning North Bra...
Significance: Designated a landmark by the American Society of Civil Engineers, the Cortland Street Bridge is a double-leaf bascule span that became in the early twentieth century the standard for movable bridg... More
Pittsburgh Steel Company, Monessen Works, Donner Avenue, Monessen, Wes...
Significance: One of several large steel making complexes in the Monongahela River Valley in southwestern Pennsylvania, the Pittsburgh Steel Company's Monessen Works grew from a rod and wire mill to a fully int... More
Pittsburgh Steel Company, Monessen Works, Donner Avenue, Monessen, Wes...
Significance: One of several large steel making complexes in the Monongahela River Valley in southwestern Pennsylvania, the Pittsburgh Steel Company's Monessen Works grew from a rod and wire mill to a fully int... More
Carnegie Institute of Washington, Department of Terrestrial Magnetism,...
Significance: The Atomic Physics Observatory (APO) was completed in 1938 to improve the capability of measuring the earth's magnetic fields which was undertaken by the Carnegie Institution of Washington's Depar... More
Commonwealth Edison Company, Crawford Electrical Generating Station, 3...
Significance: The buildings of the Crawford Electric Generating Station were designed by the renowned architectural firm of Graham, Anderson, Probst and White; the Crawford Station also reflects the rapid expan... More
Chicago & Alton Railroad Bridge, Spanning South Branch of Chicago Rive...
Significance: The Chicago & Alton Railroad bridge was the first Page bascule erected for railroad use. Patented by John W. Page, a Chicago engineer, the Page bascule was not as extensively built as other paten... More
Chicago & Alton Railroad Bridge, Spanning South Branch of Chicago Rive...
Significance: The Chicago & Alton Railroad bridge was the first Page bascule erected for railroad use. Patented by John W. Page, a Chicago engineer, the Page bascule was not as extensively built as other paten... More
Connellsville Coal & Coke Region, Connellsville, Fayette County, PA
See also HAER PA-259 for related documentation. Includes photographs & written data. Significance: Considered among the world's richest mineral deposits, the Pittsburgh seam of coal underlying portions of Fayet... More
Republic Iron & Steel Company, Youngstown Works, Blooming Mill & Bloom...
Significance: The Republic Iron and Steel Company installed a United-Tod twin-tandem compound steam engine and a Mesta-Corliss cross-compound steam engine in its blooming mill building at its Youngstown Works t... More
Chicago River Bascule Bridge, West Cortland Street, Spanning North Bra...
Significance: Designated a landmark by the American Society of Civil Engineers, the Cortland Street Bridge is a double-leaf bascule span that became in the early twentieth century the standard for movable bridg... More
Carnegie Institute of Washington, Department of Terrestrial Magnetism,...
Significance: The Carnegie Institution of Washington, with funds provided by industrialist and philanthropist Andrew Carnegie, established the Department of Terrestrial Magnetism 9 DTM) in 1904 to survey and me... More
Shoaf Mine & Coke Works, East side of Shoaf, off Township Route 472, S...
See also HAER PA-283 for additional documentation. Includes drawings (sheets 5 & 6) & written data (pages 172 through 180). Significance: The Shoaf coke works is the most intact beehive-oven coke plant in Fayet... More
Bethlehem Steel Corporation, South Bethlehem Works, Tool Steel-Electri...
Survey number: HAER PA-386-F Building/structure dates: ca. 1930 Initial Construction
Bethlehem Steel Corporation, South Bethlehem Works, Tool Steel-Electri...
Survey number: HAER PA-386-F Building/structure dates: ca. 1930 Initial Construction
Pittsburgh Steel Company, Monessen Works, Donner Avenue, Monessen, Wes...
Significance: One of several large steel making complexes in the Monongahela River Valley in southwestern Pennsylvania, the Pittsburgh Steel Company's Monessen Works grew from a rod and wire mill to a fully int... More
Commonwealth Edison Company, Crawford Electrical Generating Station, 3...
Significance: The buildings of the Crawford Electric Generating Station were designed by the renowned architectural firm of Graham, Anderson, Probst and White; the Crawford Station also reflects the rapid expan... More
American Brass Company, Kenosha Works, Hot Roll Mill, Kenosha, Kenosha...
Significance: Originally installed by the American Brass Company in 1917-18, this hand-operated rolling mill was placed on line in 1918. Workers manipulated hot billets through the rolling mill, producing copp... More
American Brass Company, Kenosha Works, Hot Roll Mill, Kenosha, Kenosha...
Significance: Originally installed by the American Brass Company in 1917-18, this hand-operated rolling mill was placed on line in 1918. Workers manipulated hot billets through the rolling mill, producing copp... More
American Brass Company, Kenosha Works, Hot Roll Mill, Kenosha, Kenosha...
Significance: Originally installed by the American Brass Company in 1917-18, this hand-operated rolling mill was placed on line in 1918. Workers manipulated hot billets through the rolling mill, producing copp... More
Bethlehem Steel Corporation, South Bethlehem Works, Along Lehigh River...
Significance: Formed in 1857 as the Saconna Iron Company, this steel works along the Lehigh River was reorganized the following year as the Bethlehem Rolling Mill and Iron Company. Under the direction of Robert... More
Royer House, Springfield Furnace, State Highway 866, .25 mile North of...
Significance: Built by the Royer family about 1810; John Royer settled in this area around 1805. Along with his brother Daniel, he established an iron furnace one-quarter mile to the south, on Piney Creek. The ... More
Chicago & Alton Railroad Bridge, Spanning South Branch of Chicago Rive...
Significance: The Chicago & Alton Railroad bridge was the first Page bascule erected for railroad use. Patented by John W. Page, a Chicago engineer, the Page bascule was not as extensively built as other paten... More
Bethlehem Steel Corporation, South Bethlehem Works, Rolling Mill, Alon...
Survey number: HAER PA-386-B Building/structure dates: ca. 1862 Initial Construction
Chicago River Bascule Bridge, West Cortland Street, Spanning North Bra...
Significance: Designated a landmark by the American Society of Civil Engineers, the Cortland Street Bridge is a double-leaf bascule span that became in the early twentieth century the standard for movable bridg... More
Chicago River Bascule Bridge, West Cortland Street, Spanning North Bra...
Significance: Designated a landmark by the American Society of Civil Engineers, the Cortland Street Bridge is a double-leaf bascule span that became in the early twentieth century the standard for movable bridg... More
Shoaf Mine & Coke Works, East side of Shoaf, off Township Route 472, S...
See also HAER PA-283 for additional documentation. Includes drawings (sheets 5 & 6) & written data (pages 172 through 180). Significance: The Shoaf coke works is the most intact beehive-oven coke plant in Fayet... More
Pittsburgh Steel Company, Monessen Works, Donner Avenue, Monessen, Wes...
Significance: One of several large steel making complexes in the Monongahela River Valley in southwestern Pennsylvania, the Pittsburgh Steel Company's Monessen Works grew from a rod and wire mill to a fully int... More
Pittsburgh Steel Company, Monessen Works, Donner Avenue, Monessen, Wes...
Significance: One of several large steel making complexes in the Monongahela River Valley in southwestern Pennsylvania, the Pittsburgh Steel Company's Monessen Works grew from a rod and wire mill to a fully int... More
Pittsburgh Steel Company, Monessen Works, Donner Avenue, Monessen, Wes...
Significance: One of several large steel making complexes in the Monongahela River Valley in southwestern Pennsylvania, the Pittsburgh Steel Company's Monessen Works grew from a rod and wire mill to a fully int... More
Pittsburgh Steel Company, Monessen Works, Donner Avenue, Monessen, Wes...
Significance: One of several large steel making complexes in the Monongahela River Valley in southwestern Pennsylvania, the Pittsburgh Steel Company's Monessen Works grew from a rod and wire mill to a fully int... More
Commonwealth Edison Company, Crawford Electrical Generating Station, 3...
Significance: The buildings of the Crawford Electric Generating Station were designed by the renowned architectural firm of Graham, Anderson, Probst and White; the Crawford Station also reflects the rapid expan... More
Commonwealth Edison Company, Crawford Electrical Generating Station, 3...
Significance: The buildings of the Crawford Electric Generating Station were designed by the renowned architectural firm of Graham, Anderson, Probst and White; the Crawford Station also reflects the rapid expan... More
Bethlehem Steel Corporation, South Bethlehem Works, Along Lehigh River...
Significance: Formed in 1857 as the Saconna Iron Company, this steel works along the Lehigh River was reorganized the following year as the Bethlehem Rolling Mill and Iron Company. Under the direction of Robert... More
Greensburg Railroad Station, Harrison Avenue, Greensburg, Westmoreland...
Significance: A principal stop on the mainline of the Pennsylvania Railroad, the Greensburg Station is now listed on the National Register. Survey number: HAER PA-249 Building/structure dates: 1910- 1911 I... More
Chicago & Alton Railroad Bridge, Spanning South Branch of Chicago Rive...
Significance: The Chicago & Alton Railroad bridge was the first Page bascule erected for railroad use. Patented by John W. Page, a Chicago engineer, the Page bascule was not as extensively built as other paten... More
Bethlehem Steel Corporation, South Bethlehem Works, Rolling Mill, Alon...
Survey number: HAER PA-386-B Building/structure dates: ca. 1862 Initial Construction
Republic Iron & Steel Company, Youngstown Works, Blooming Mill & Bloom...
Significance: The Republic Iron and Steel Company installed a United-Tod twin-tandem compound steam engine and a Mesta-Corliss cross-compound steam engine in its blooming mill building at its Youngstown Works t... More
Chicago River Bascule Bridge, Grand Avenue, Spanning North Branch Chic...
Significance: The Grand Avenue Bridge represents the "second generation" of the Chicago bascule bridge with improvements executed in the design of the counterweights, a new rack-and-pinion assembly (namely, the... More
Bethlehem Steel Corporation, South Bethlehem Works, Tool Steel-Electri...
Survey number: HAER PA-386-F Building/structure dates: ca. 1930 Initial Construction
Pittsburgh Steel Company, Monessen Works, Donner Avenue, Monessen, Wes...
Significance: One of several large steel making complexes in the Monongahela River Valley in southwestern Pennsylvania, the Pittsburgh Steel Company's Monessen Works grew from a rod and wire mill to a fully int... More
Pittsburgh Steel Company, Monessen Works, Donner Avenue, Monessen, Wes...
Significance: One of several large steel making complexes in the Monongahela River Valley in southwestern Pennsylvania, the Pittsburgh Steel Company's Monessen Works grew from a rod and wire mill to a fully int... More
Pittsburgh Steel Company, Monessen Works, Donner Avenue, Monessen, Wes...
Significance: One of several large steel making complexes in the Monongahela River Valley in southwestern Pennsylvania, the Pittsburgh Steel Company's Monessen Works grew from a rod and wire mill to a fully int... More
Pittsburgh Steel Company, Monessen Works, Donner Avenue, Monessen, Wes...
Significance: One of several large steel making complexes in the Monongahela River Valley in southwestern Pennsylvania, the Pittsburgh Steel Company's Monessen Works grew from a rod and wire mill to a fully int... More
Carnegie Institute of Washington, Department of Terrestrial Magnetism,...
Significance: This building originally served as a foundry to cast nonferrous materials for tools, measuring instruments, and various fasteners and fittings used in magnetic observations undertaken the Carnegie... More
American Brass Company, Kenosha Works, Hot Roll Mill, Kenosha, Kenosha...
Significance: Originally installed by the American Brass Company in 1917-18, this hand-operated rolling mill was placed on line in 1918. Workers manipulated hot billets through the rolling mill, producing copp... More
Royer House, Springfield Furnace, State Highway 866, .25 mile North of...
Significance: Built by the Royer family about 1810; John Royer settled in this area around 1805. Along with his brother Daniel, he established an iron furnace one-quarter mile to the south, on Piney Creek. The ... More
Bethlehem Steel Corporation, South Bethlehem Works, Blast Furnace "A",...
Survey number: HAER PA-386-D Building/structure dates: 1908 Initial Construction
Bethlehem Steel Corporation, South Bethlehem Works, Rolling Mill, Alon...
Survey number: HAER PA-386-B Building/structure dates: ca. 1862 Initial Construction
Bethlehem Steel Corporation, South Bethlehem Works, Rolling Mill, Alon...
Survey number: HAER PA-386-B Building/structure dates: ca. 1862 Initial Construction
Connellsville Coal & Coke Region, Connellsville, Fayette County, PA
See also HAER PA-259 for related documentation. Includes photographs & written data. Significance: Considered among the world's richest mineral deposits, the Pittsburgh seam of coal underlying portions of Fayet... More
Republic Iron & Steel Company, Youngstown Works, Blooming Mill & Bloom...
Significance: The Republic Iron and Steel Company installed a United-Tod twin-tandem compound steam engine and a Mesta-Corliss cross-compound steam engine in its blooming mill building at its Youngstown Works t... More
Republic Iron & Steel Company, Youngstown Works, Blooming Mill & Bloom...
Significance: The Republic Iron and Steel Company installed a United-Tod twin-tandem compound steam engine and a Mesta-Corliss cross-compound steam engine in its blooming mill building at its Youngstown Works t... More
Chicago River Bascule Bridge, Grand Avenue, Spanning North Branch Chic...
Significance: The Grand Avenue Bridge represents the "second generation" of the Chicago bascule bridge with improvements executed in the design of the counterweights, a new rack-and-pinion assembly (namely, the... More
Pittsburgh Steel Company, Monessen Works, Donner Avenue, Monessen, Wes...
Significance: One of several large steel making complexes in the Monongahela River Valley in southwestern Pennsylvania, the Pittsburgh Steel Company's Monessen Works grew from a rod and wire mill to a fully int... More
Pittsburgh Steel Company, Monessen Works, Donner Avenue, Monessen, Wes...
Significance: One of several large steel making complexes in the Monongahela River Valley in southwestern Pennsylvania, the Pittsburgh Steel Company's Monessen Works grew from a rod and wire mill to a fully int... More
Commonwealth Edison Company, Crawford Electrical Generating Station, 3...
Significance: The buildings of the Crawford Electric Generating Station were designed by the renowned architectural firm of Graham, Anderson, Probst and White; the Crawford Station also reflects the rapid expan... More
Bethlehem Steel Corporation, South Bethlehem Works, Blast Furnace "A",...
Survey number: HAER PA-386-D Building/structure dates: 1908 Initial Construction
Chicago & Alton Railroad Bridge, Spanning South Branch of Chicago Rive...
Significance: The Chicago & Alton Railroad bridge was the first Page bascule erected for railroad use. Patented by John W. Page, a Chicago engineer, the Page bascule was not as extensively built as other paten... More
Connellsville Coal & Coke Region, Connellsville, Fayette County, PA
See also HAER PA-259 for related documentation. Includes photographs & written data. Significance: Considered among the world's richest mineral deposits, the Pittsburgh seam of coal underlying portions of Fayet... More
Republic Iron & Steel Company, Youngstown Works, Blooming Mill & Bloom...
Significance: The Republic Iron and Steel Company installed a United-Tod twin-tandem compound steam engine and a Mesta-Corliss cross-compound steam engine in its blooming mill building at its Youngstown Works t... More
West Overton, West Overton, Westmoreland County, PA
See also HABS PA-5655 through PA-5664 for additional information. Significance: The Village of West Overton grew out of a family farm established in 1803 by henry Overholt. Coming to Westmoreland County from Bu... More
Carnegie Institute of Washington, Department of Terrestrial Magnetism,...
Significance: The Carnegie Institution of Washington, with funds provided by industrialist and philanthropist Andrew Carnegie, established the Department of Terrestrial Magnetism 9 DTM) in 1904 to survey and me... More
Shoaf Mine & Coke Works, East side of Shoaf, off Township Route 472, S...
See also HAER PA-283 for additional documentation. Includes drawings (sheets 5 & 6) & written data (pages 172 through 180). Significance: The Shoaf coke works is the most intact beehive-oven coke plant in Fayet... More
Pittsburgh Steel Company, Monessen Works, Donner Avenue, Monessen, Wes...
Significance: One of several large steel making complexes in the Monongahela River Valley in southwestern Pennsylvania, the Pittsburgh Steel Company's Monessen Works grew from a rod and wire mill to a fully int... More
Pittsburgh Steel Company, Monessen Works, Donner Avenue, Monessen, Wes...
Significance: One of several large steel making complexes in the Monongahela River Valley in southwestern Pennsylvania, the Pittsburgh Steel Company's Monessen Works grew from a rod and wire mill to a fully int... More
Pittsburgh Steel Company, Monessen Works, Donner Avenue, Monessen, Wes...
Significance: One of several large steel making complexes in the Monongahela River Valley in southwestern Pennsylvania, the Pittsburgh Steel Company's Monessen Works grew from a rod and wire mill to a fully int... More
Commonwealth Edison Company, Crawford Electrical Generating Station, 3...
Significance: The buildings of the Crawford Electric Generating Station were designed by the renowned architectural firm of Graham, Anderson, Probst and White; the Crawford Station also reflects the rapid expan... More
American Brass Company, Kenosha Works, Hot Roll Mill, Kenosha, Kenosha...
Significance: Originally installed by the American Brass Company in 1917-18, this hand-operated rolling mill was placed on line in 1918. Workers manipulated hot billets through the rolling mill, producing copp... More
American Brass Company, Kenosha Works, Hot Roll Mill, Kenosha, Kenosha...
Significance: Originally installed by the American Brass Company in 1917-18, this hand-operated rolling mill was placed on line in 1918. Workers manipulated hot billets through the rolling mill, producing copp... More
American Brass Company, Kenosha Works, Hot Roll Mill, Kenosha, Kenosha...
Significance: Originally installed by the American Brass Company in 1917-18, this hand-operated rolling mill was placed on line in 1918. Workers manipulated hot billets through the rolling mill, producing copp... More
Ricks Foundry, Miller Avenue off South Mount Vernon Street, Uniontown,...
Significance: Ricks manufactured the Covington coke puller, the most widely-used mechanical coke-drawing machine in the Connellsville Region. Survey number: HAER PA-366 Building/structure dates: ca. 1900 Init... More
Connellsville Coal & Coke Region, Connellsville, Fayette County, PA
See also HAER PA-259 for related documentation. Includes photographs & written data. Significance: Considered among the world's richest mineral deposits, the Pittsburgh seam of coal underlying portions of Fayet... More
Republic Iron & Steel Company, Youngstown Works, Blooming Mill & Bloom...
Significance: The Republic Iron and Steel Company installed a United-Tod twin-tandem compound steam engine and a Mesta-Corliss cross-compound steam engine in its blooming mill building at its Youngstown Works t... More
Chicago River Bascule Bridge, West Cortland Street, Spanning North Bra...
Significance: Designated a landmark by the American Society of Civil Engineers, the Cortland Street Bridge is a double-leaf bascule span that became in the early twentieth century the standard for movable bridg... More
Chicago River Bascule Bridge, West Cortland Street, Spanning North Bra...
Significance: Designated a landmark by the American Society of Civil Engineers, the Cortland Street Bridge is a double-leaf bascule span that became in the early twentieth century the standard for movable bridg... More
Chicago River Bascule Bridge, Grand Avenue, Spanning North Branch Chic...
Significance: The Grand Avenue Bridge represents the "second generation" of the Chicago bascule bridge with improvements executed in the design of the counterweights, a new rack-and-pinion assembly (namely, the... More
Shoaf Mine & Coke Works, East side of Shoaf, off Township Route 472, S...
See also HAER PA-283 for additional documentation. Includes drawings (sheets 5 & 6) & written data (pages 172 through 180). Significance: The Shoaf coke works is the most intact beehive-oven coke plant in Fayet... More
Pittsburgh Steel Company, Monessen Works, Donner Avenue, Monessen, Wes...
Significance: One of several large steel making complexes in the Monongahela River Valley in southwestern Pennsylvania, the Pittsburgh Steel Company's Monessen Works grew from a rod and wire mill to a fully int... More
Pittsburgh Steel Company, Monessen Works, Donner Avenue, Monessen, Wes...
Significance: One of several large steel making complexes in the Monongahela River Valley in southwestern Pennsylvania, the Pittsburgh Steel Company's Monessen Works grew from a rod and wire mill to a fully int... More
Pittsburgh Steel Company, Monessen Works, Donner Avenue, Monessen, Wes...
Significance: One of several large steel making complexes in the Monongahela River Valley in southwestern Pennsylvania, the Pittsburgh Steel Company's Monessen Works grew from a rod and wire mill to a fully int... More
Pittsburgh Steel Company, Monessen Works, Donner Avenue, Monessen, Wes...
Significance: One of several large steel making complexes in the Monongahela River Valley in southwestern Pennsylvania, the Pittsburgh Steel Company's Monessen Works grew from a rod and wire mill to a fully int... More
Pittsburgh Steel Company, Monessen Works, Donner Avenue, Monessen, Wes...
Significance: One of several large steel making complexes in the Monongahela River Valley in southwestern Pennsylvania, the Pittsburgh Steel Company's Monessen Works grew from a rod and wire mill to a fully int... More