Image:Marcellus Shale USGS.png

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Description	Appalachian Basin, Eastern U.S.A. Cropped portion of image from USGS report showing extent of Marcellus Formation shale (in gray shading).
Source	U.S. Geological Survey Open-File Report 2005-1268
Date	2005
Author	Robert C. Milici
Permission (Reusing this image)	PD

This image is a work of a United States Geological Survey employee, taken or made during the course of the person's official duties. As a work of the United States Government, the image is in the public domain. For more information, see the USGS copyright policy. See Wikipedia:Public domain and Wikipedia:Copyrights for more details.

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	Date/Time	Dimensions	User	Comment
current	13:26, 1 June 2008	300×350 (78 KB)	Dhaluza (Talk \| contribs)	(Reformat to 300 x 350 px)
	11:04, 30 May 2008	329×348 (82 KB)	Dhaluza (Talk \| contribs)
	02:02, 5 April 2008	487×457 (99 KB)	Dhaluza (Talk \| contribs)	({{Information \|Description=Cropped portion of image from USGS report \|Source=http://pubs.usgs.gov/of/2005/1268/2005-1268.pdf \|Date=2005 \|Location=Appalachian Basin, Eastern U.S.A. \|Author=Robert C. Milici \|Permission=PD \|other_versions= }})