Interactive map of Pennsylvania's …
https://www.americangeosciences.org/critical-issues/maps/interactive-map-pennsylvanias-geology-and-natural-resources
The Pennsylvania Geological Survey's PaGEODE online tool provides an interactive map of the geology and natural resources of Pennsylvania, including: Surface and bedrock geology Earthquakes Karst features Coal, oil, and gas resources Sites of notable geologic interest Street and topographic maps, and aerial images
Surface and bedrock geology
Earthquakes
Karst features
Coal, oil, and gas resources
Sites of notable geologic interest
Street and topographic maps, and aerial images
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