Glenda Bitner—Assistant Director for Business
Teresa Blevins—Licensing Coordinator, Indiana Board of Licensure for Professional Geologists
Tracy D. Branam—Research Scientist
Lewis M. Brown—Research Affiliate
Sherry K. Cazee—Supervisor, Sample & Core Libraries
John B. Comer—Research Affiliate
Michael Daniels—Web Master/Programmer
John M. Day—Photographic Specialist
Deborah A. DeChurch—Editor
Marni Dickson Karaffa—Research Geologist
Chris Dintaman—Geologist/GIS Specialist
Megan Divine—Contract and Grant Compliance Monitor
Agnieszka Drobniak—Assistant Research Scientist
John B. Droste—Research Affiliate
Margaret V. Ennis—Research Scientist
Carolyn M. Estell—Geological Assistant/Database Manager
Janis Fox—Publication Sales Office Manager
Sam S. Frushour—Section Head, Physical Facilities and Field Services
Henry H. Gray—Research Affiliate
Walter E. Gray—Educational Outreach Coordinator
Kathleen Griffin—Computer Support Specialist
Jack Haddan—Research Technician
Denver Harper—Geologist and GIS Analyst
Edwin J. Hartke—Research Affiliate
Nancy R. Hasenmueller—Section Head, Environmental Geology
Walter A. Hasenmueller—Research Scientist
Dave Held—Cartographic Specialist
Norman C. Hester—Research Affiliate
Barbara T. Hill—Section Head, Photography and Imaging
Richard T. Hill—Assistant Director for Technical Services and Section Head, Information Technology
David Jacob—Office and Field Assistant
Brian Keith—Research Scientist
Richard W. Lahann—Research Affiliate
Sally L. Letsinger—Research Hydrogeologist
Maria Mastalerz—Research Scientist/Coal Geologist
Cristian Medina—Reservoir Research Scientist
Rebecca Meyer—GIS/Database Analyst
Shawn Naylor—Director, CGDA and Research Hydrogeologist
Greg A. Olyphant—Research Affiliate/Professor of Geological Sciences
Drew Packman—Geological Technician, Physical Facilities and Field Services
Mary Parke—Petroleum Geologist
Richard L. Powell—Research Affiliate
Michael L. Prentice—Glacial Geologist
Carl B. Rexroad—Research Affiliate
Paul Rohwer—Database Administrator/Programmer
John A. Rupp—Assistant Director for Research and Section Head, Subsurface Geology
Robin F. Rupp—Geologist
Kathryn R. Shaffer—Minerals Statistician
Nelson R. Shaffer—Section Head, Coal and Industrial Minerals
Ronald T. Smith—Research Scientist
Kimberly Sowder—Cartographic Coordinator
John C. Steinmetz—Director and State Geologist
Helen Stephenson—Financial Assistant
Renee Stubenrauch—Cartographic Specialist
Todd A. Thompson—Associate Scientist
Donna M. Webb—Secretary
Licia A. Weber—Geologist
Chen Zhu—Research Affiliate
Charles W. Zuppann—Petroleum Geologist
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