EPA, TMPA No description specified. 1-2 (2 Records) Documents Excavations at Sites 41GM166, 41GM281 and 41GM282 at the Gibbons Creek Lignite Mine, Grimes County, Texas (1995) Site Summaries 41GM364, 365, 366 of the Cultural Resources Survey of the Third Five Year Mine Permit Area (Gibbons Creek), Texas Municipal Power Agency, Grimes County, Texas (1993)