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Digital Bedrock Aquifer Characteristics by Physiographic Section of Pennsylvania
In 2001, the Bureau of Topographic and Geologic Survey (the Bureau) released the Digital Bedrock Geology of Pennsylvania. This dataset was based on Map 1, Geologic Map of...-
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PA Marcellus Shale Assessment Unit - National Assessment of Oil and Gas Proje...
The Assessment Unit is the fundamental unit used in the National Assessment Project for the assessment of undiscovered oil and gas resources. The Assessment Unit is defined...-
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