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Marcellus Shale

Basic introduction to the Marcellus shale gas play in Pennsylvania.

Core Resources for Pennsylvania Residents

a natural gas well  head in a a green field

Marcellus Shale Gas Well, by WCN 24/7, under a Creative Commons Attribution 2.0.

The Marcellus shale is a a Devonian formation underlying much of Pennsylvania and surrounding states that is rich in natural gas. Following are sources for more information-