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Geological Society Of America North Central Section Annual Meeting 2012 Dayton Ohio : Geology of the Dayton Region in Core and Outcrop--a workshop and field trip for citizens, environmental investigators, geologists, and educators / by Gregory A. Schumacher [and 3 others] ; prepared for the 2012 Geological Society of America, North-Central Section meeting in Dayton, Ohio.
Geological Society Of America South Central Section : Early to Middle Paleozoic conodont biostratigraphy of the Arbuckle Mountains, Southern Oklahoma / Scott M. Ritter, editor ; contributors: Thomas W. Amsden ... [and others]
Geological Survey Of Georgia : Coastal ground water at risk : saltwater contamination at Brunswick, Ga. and Hilton Head Island, S.C. / R.E. Krause, and J.S. Clarke ; prepared in cooperation with the Georgia Department of Natural Resources, Georgia Environmental Protection Division, Georgia Geologic Survey; the City of Brunswick, and Glynn County.
Geological Survey Of Pennsylvania : The Martinsburg formation (Middle and Upper Ordovician) in the Delaware Valley, Pennsylvania-New Jersey : a clarification of the stratigraphy of clastic rocks of Middle and Late Ordovician age in western New Jersey and eastern Pennsylvania / by Avery Ala Drake, Jr. and Jack B. Epstein ; prepared in cooperation with the Pennsylvania Geological Survey.
