The Cambria Iron Company of Johnstown, Pennsylvania, was a major producer of iron and steel that operated independently from 1852 to 1916. The company adopted many innovations in the steelmaking process, including those of William Kelly and Henry Bessemer.
Dunlap's Creek Bridge was the first arch bridge in the United States built of cast iron. It was designed by Richard Delafield and built by the United States Army Corps of Engineers. Constructed from 1836 to 1839 on the National Road in Brownsville, Pennsylvania, it remains in use today. It is listed on the National Register of Historic Places and is a National Historic Civil Engineering Landmark (1978). It is located in the Brownsville Commercial Historic District and supports Market Street, the local main thoroughfare. Due to the steep sides of the Monongahela River valley, there is only room for two short streets parallel to the river's shore and graded mild enough to be comfortable to walk before the terrain rises too steeply for business traffic.
The Allegheny Furnace is an historic iron furnace, which is located in Altoona, Blair County, Pennsylvania, USA.
Daniel Royer House is a historic home located in the community of Royer, Woodbury Township, Blair County, Pennsylvania. It was built in at least two sections. The oldest section is a three-bay, two-story stone section built about 1815. Built about the same time was a 1+1⁄2-story clapboard section. A two-bay by five-bay wing addition was probably built in the 1840s. It features a two-story porch across the length of the addition. The house is associated with the Royer family; early settlers of Woodbury Township and prominent in the local iron making industry.
Everett Historic District is a national historic district located at Everett, Pennsylvania. The district includes 300 contributing buildings and 1 contributing object in the central business district and surrounding residential area of Everett. The buildings date between about 1830 and 1952, and include notable examples of Gothic Revival and Federal style architecture. Notable non-residential buildings include the U.S. Post Office (1938), Everett Free Library, Zion Lutheran Church, Grace Brethren Church, Barndollar Methodist Church (1860), Everett Hardware Company Building, foundry on North Juniata Street (1874), and Everett Manufacturing Company (1920-1955).
The Pennsylvania Furnace Mansion, also known as the Lyon Mansion, is an historic, American home that is located in Franklin Township in Huntingdon County, Pennsylvania.
Huntingdon Furnace is a national historic district and historic iron furnace and associated buildings located at Franklin Township in Huntingdon County, Pennsylvania. It consists of seven contributing buildings and one contributing structure. They are the iron furnace, office building, the ironmaster's mansion, log worker's house, a residence, the farm manager's residence, the grist mill and the miller's house. The iron furnace was moved to this site in 1805, from its original site one mile upstream. It measures 30 feet square by 30 feet high. The ironmaster's mansion was built in 1851, and is a 2+1⁄2-story, L-shaped frame dwelling. The grist mill dates to 1808, and is a 3+1⁄2-story, rubble stone building measuring 50 feet by 45 feet. The furnace was in operation from 1796, until it ceased operations in the 1880s.
The Huntingdon Borough Historic District is a national historic district in Huntingdon, Pennsylvania.
Colver Historic District is a national historic district located at Barr Township and Cambria Township in Cambria County, Pennsylvania. The district includes 336 contributing buildings, 5 contributing sites, and 3 contributing structures. The district consists of residential areas, coal mining resources, Cambria and Indiana Railroad shop buildings, and a dairy farm associated with the Ebensburg Coal Company's mine and developed between 1911 and 1943. Notable buildings include a variety of brick and frame workers' housing, the Ebensburg Coal Company office building (1914), stone company store (1912), Colver Amusement Company (1912), Colver Hotel (1912), Colver Presbyterian Church (1915), public school (1927), hospital (1914), Roundhouse No. 1 (1918), Roundhouse No. 2 (1920), and main power building (1911).
The Revloc Historic District is a national historic district located at Cambria Township in Cambria County, Pennsylvania.
Berwind-White Mine 40 Historic District is a national historic district located at Richland Township and Scalp Level in Cambria County, Pennsylvania. The district includes 121 contributing buildings, 2 contributing sites, and 4 contributing structures. The district consists of a mine site and patch community associated with the Berwind-White Coal Mining Company's Eureka Mine No. 40, and developed between 1905 and the 1941. Notable buildings include over 100 two-story, frame miners' double housing, power house, drift openings, cleaning plant, motor barn, fan house, sand tank, railroad repair car shop, and wash house.
Shade Furnace Archeological District, also known as Old Shade Furnace and Shade Forge, is a national historic district located at Shade Township in Somerset County, Pennsylvania. The district includes four contributing sites and two contributing objects. It encompasses the ruins of a countryside plantation style iron forge operation that operated from 1808 to 1858. It includes a stone blast furnace structure, a forge site, an ore pit site, a farmstead site, and a late 19th-century coal mine complex. The area includes a number of archaeological sites associated with the ruins of abandoned buildings.
Codorus Forge and Furnace Historic District, also known as Hellem (Hellam) Forge, is a historic iron forge and national historic district located at Hellam Township in York County, Pennsylvania. The district includes four contributing buildings, one contributing site, and one contributing structure. The contributing buildings are the iron furnace, charcoal house, ruins of works' houses, ironmaster's house and furnace office, privy, forge (1800), and ruins of unknown structures. The furnace measures approximately 30 feet square at the base and 12 feet high. The ironmaster's house is a 2 1/2-story, stuccoed stone building, nine bays wide and one room deep. The Hellem (Hellam) Forge was first established in 1765.
Boiling Springs Historic District is a national historic district located at Boiling Springs, Cumberland County, Pennsylvania. The district includes 127 contributing buildings, 1 contributing site, and 1 contributing structure associated with its role as an early iron manufacturing center and surrounding residential areas of Boiling Springs. Most of the contributing buildings date to the mid-19th century starting in 1845, with a few dated to the early period of development. The oldest buildings are a grist mill, the ironmaster's, Michael Ege, mansion (1795), and the restored Boiling Springs Tavern (1832). Other notable non-residential buildings include the former stone stables (1829) and forge building (1850s). Residential areas include notable examples of the Bungalow/craftsman, Late Victorian, and Federal styles. The contributing structure is a stone three-arched bridge (1854).
Laurel Hill Furnace is a historic iron furnace located at St. Clair Township, Westmoreland County, Pennsylvania. It was built in 1845, and is a rectangular cut stone furnace with four arches at its base. It remained in blast until 1855–1860. The furnace was donated to the Western Pennsylvania Conservancy in 1973.
The Vandergrift Historic District is a national historic district that is located in Vandergrift, Westmoreland County, Pennsylvania.
Dale Furnace and Forge Historic District, also known as Dale Iron Works and Mt. Chalfont Furnace, is a historic "iron plantation" and national historic district located in Washington Township, Berks County, Pennsylvania. The district encompasses six contributing buildings and one contributing site. They are a stone horse barn, stone and frame bank barn, ironmaster's mansion, smokehouse and wash house (1827), stone worker's house (1830), and counting house. The archaeological site includes the ruins of a worker's house, the stone furnace stack, bank iron furnace, forge foundations and race, and remnants of dam breast. The furnace remained in blast until about 1822, and the Dale Forge was in operation until 1868.
The Robesonia Furnace Historic District, also known as the Reading Furnace and the Robesonia Iron Co. Ltd., is an historic, American iron plantation and national historic district that is located in Robesonia, Berks County, Pennsylvania.
The Mary Ann Furnace Historic District, also known as Trexler's Furnace, is an historic iron plantation and national historic district located in Longswamp Township in Berks County, Pennsylvania.
The Reading Furnace Historic District is a national historic district that is located in Warwick Township and East Nantmeal Township, Chester County, Pennsylvania.
