Marcellus Shale Maps: Below are a few maps outlining the Marcellus Shale
formation. We for more details visit http://oilshalegas.com/marcellusshale.html
Also below is a map of the United States pipeline system.
As you can see, there are not many pipelines going through the northwest section of Pennsylvania ( PA ) which further delays
development of the Marcellus Shale.