PA 305 in Greenwood Furnace State Park, McAlevys Fort, Pennsylvania. County/parish: Huntingdon.
Added to the National Register of Historic Places November 13, 1989. NRIS 89001819.
Part of Industrial Resources of Huntingdon County, 1780-1939 MPS (NRIS 64500531).
3 contributing buildings. 1 contributing site. 1 contributing structure.National Park Service documentation: https://catalog.archives.gov/id/71993051