Significance: The construction of the Tipple and Separator at Allendale was an attempt by the Johnstown Coal & Coke Corporation to remain competitive in the coal markets. All of the coal which this company pro More
Survey number: HAER PA-271-D Building/structure dates: 1890 Initial Construction Building/structure dates: 1895 Subsequent Work Building/structure dates: 1899 Subsequent Work Building/structure dates: 1902 More
Significance: Containing a series of automated rolls and shears, the 11" Mill is the only active mill of the Lower Works. Steel bars from the 11" Mill, processed by a variety of techniques including forging, m More
Significance: The colliery at Revloc was among the most productive in Cambria County and remained in operation for over fifty years. The Boiler and Hoist House is one of the few surviving structures associated More
Significance: Containing a tipple, cleaning plant and powerhouse, this structure served one of the largest and most productive mines in Cambria County. Survey number: HAER PA-237 Building/structure dates: 191 More
Significance: A crossing of the Conemaugh River at or near the site of this entrance gate and footbridge has existed since the 1850s when the Cambria Iron Works was originally established. Survey number: HAER More
Significance: The southern half of the Engine House remains largely unaltered from its 1870s appearance, although all machinery has been removed. Survey number: HAER PA-109-I Building/structure dates: 1891 In More