Stephen H. Graff
No description specified.
1-3 (3 Records)
Documents
- Archaeological Survey Report: I-476 Task Force Alignment (1983)
- Draft Archaeological Location / Identification Survey: Knowlton Road Bridge Rehabilitation Project, L.R. 23015, Section 47B, Delaware County, Pennsylvania (1984)
- Traffic Route 281 Railroad Underpass (L.R. 50, Section 024) and Casselman River Bridge (L.R. 55113, Section 003) in Confluence Borough, Somerset County, Pennsylvania: Archaeological Survey (1985)