TY - RPRT TI - Assessment of undiscovered oil and gas resources of the Ordovician Utica Shale of the Appalachian Basin Province, 2012 AU - Mark A. Kirschbaum AU - Christopher J. Schenk AU - Troy A. Cook AU - Robert T. Ryder AU - Ronald R. Charpentier AU - Timothy R. Klett AU - Stephanie B. Gaswirth AU - Marilyn E. Tennyson AU - Katherine J. Whidden PY - 2012 DO - 10.3133/fs20123116 UR - https://pubs.usgs.gov/publication/fs20123116 ID - fs20123116 ER -