- $27.52 CAD Vintage Cambridge Springs PA USGS Topographical Geological Quadrangle Map 1923
- $27.52 CAD Vintage Ariel Pennsylvania USGS Topographical Geological Quadrangle Map 1928
- $22.01 CAD Vintage Bethel Pennsylvania USGS Topographical Geological Quadrangle Map 1974
- $22.01 CAD Vintage Bernville Pennsylvania USGS Topographical Geological Quadrangle Map 1974
- $17.75 CAD USGS Geologic Map: Rousseau Talc Prospect, Cambridge, Vermont
- $22.01 CAD Vintage Telford Pennsylvania USGS Topographical Geological Quadrangle Map 1973
- $22.01 CAD VTG Cambridge Springs Pennsylvania USGS Topographical Geological Quadrangle Map
- $27.52 CAD Vintage Buckingham PA USGS Topographical Geological Quadrangle Map 1953