Digital Geologic-GIS Map of Fort Necessity National Battlefield and Friendship Hill National Historical Site and Vicinity, Pennsylvania (NPS, GRD, GRI, FONE, FRHI, FONE digital map) adapted from Pennsylvania Geological Survey Water Resource Report maps by McElroy (1988) and Stoner, Williams, Buckwalter, Felbinger, and Pattison (1987)
The Digital Geologic-GIS Map of Fort Necessity National Battlefield and Friendship Hill National Historical Site and Vicinity, Pennsylvania is composed of GIS data layers and GIS tables, and is available in the following GRI-supported GIS data formats: 1.) a 10.1 file geodatabase (fone_geology.gdb), a 2.) Open …