DIVISION OF GEOLOGICAL SURVEY 4383 FOUNTAIN SQUARE DRIVE COLUMBUS, OHIO 43224-1362 (614) 265-6576 (614) 447-1918 (FAX) e-mail:
[email protected] World Wide Web: http://www.ohiodnr.com/geosurvey/ OHIO GEOLOGY ADVISORY COUNCIL Ms. F. Lynn Kantner, representing At-Large Citizens Mr. David A. Wilder, representing Coal Mr. C. Robert Lennertz, representing Environmental Geology Dr. Mark R. Boardman, representing Higher Education Dr. Robert W. Ritzi, Jr., representing Hydrogeology Mr. Garry L. Getz, representing Industrial Minerals Mr. William M. Rike, representing Oil and Gas SCIENTIFIC AND TECHNICAL STAFF OF THE DIVISION OF GEOLOGICAL SURVEY ADMINISTRATION (614) 265-6988 Thomas M. Berg, MS, State Geologist and Division Chief Dennis N. Hull, MS, Assistant State Geologist and Assistant Division Chief Betty R. Lewis, Fiscal Officer James M. Patterson, Account Clerk Sharon L. Stone, AD, Administrative Assistant GEOLOGIC MAPPING GROUP (614) 265-6473 PETROLEUM GEOLOGY GROUP (614) 265-6598 Edward Mac Swinford, MS, Geologist Supervisor Lawrence H. Wickstrom, MS, Geo logist Supervisor Richard R. Pavey, MS, Surficial Mapping Administrator Mark T. Baranoski, MS, Geologist C. Scott Brockman, MS, Geologist James McDonald, MS, Geologist Glenn E. Larsen, MS, Geologist Ronald A. Riley, MS, Geologist Gregory A. Schumacher, MS, Geologist Ernie R. Slucher, MS, Geologist Douglas L. Shrake, MS, Geologist Joseph G. Wells, MS, Database Administrator Kim E. Vorbau, BS, Geologist CARTOGRAPHY & EDITING GROUP (614) 265-6593 COAL & INDUSTRIAL MINERALS GROUP (614) 265-6594 Edward V. Kuehnle, BA, Cartographer Supervisor Douglas L. Crowell, MS, Geologist Supervisor Merrianne Hackathorn, MS, Geo logist and Editor Ronald G. Rea, MS, Geologist and Sample Repository Manager Donovan M.