David Rumsey
ArcGIS, QGIS or web apps can simply use this map with web map services. WMTS, TileJSON or XYZ tiles are provided for quick access to processed maps.
Sign in to get links.
Sign in to download GeoTIFF.
Overlay & compare
iiif viewer, iiif info json
Website
Pennsylvania -- Geology
7148.000
pilot
Geologic Map of Pennsylvania.
1960
Williams and Heintz Map Corporation
Topographic and Geologic Survey, PA
201 × 143 cm
1 : 250000