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Division of Geological Survey Contacts

Staff Directory by Subject Area

Have a question about Ohio’s geology? Use the listing below to find a contact for the subject area you’re interested in exploring.

Or contact us by phone at (614) 265-6576 or by email at geo.survey@dnr.ohio.gov, and we will direct your inquiry to the appropriate staff member.

Administration

D. Mark Jones, Division Chief
  Send an Email
(614) 265-6576

J.D. Stucker, Assistant Chief
  Send an Email
(614) 265-6601

May Sholes, Financial Analyst Supervisor
  Send an Email
(614) 265-6413

Toni Rahaman, Financial Associate
  Send an Email
(614) 265-6952

Abandoned Underground Mines & Mine Subsidence

ODNR provides extensive Mine Subsidence Information for Landowners who have concerns about abandoned mines and potential mine subsidence. Or you can direct your questions to the ODNR Division of Mineral Resources Management at (614) 265-6633 or minerals@dnr.ohio.gov.

You can also explore the Ohio Mines Locator interactive map to search for mines in your area.

Bedrock Geology & Mapping

Frank Fugitt, Geologist
  Send an Email
(614) 265-6759

Doug Aden, Geologist
  Send an Email
(614) 265-6579

Mohammad Fakhari, Geologist
  Send an Email
(614) 265-6584

Coal

Christopher Wright, Geologist
  Send an Email
(614) 265-6632

Cores & Samples
Jeff Deisher, Geologist
  Send an Email
(740) 201-2765

Earthquakes (OhioSeis)

Jeff Fox, OhioSeis Seismologist
  Send an Email
(740) 201-2762

Daniel Blake, OhioSeis Geologist
  Send an Email
(740) 201-2763

Jacqueline Thompson, OhioSeis Geologist
  Send an Email
(740) 201-2766

Environmental Geology

Doug Aden, Geologist
  Send an Email
(614) 265-6579

Frank Fugitt, Geologist
  Send an Email
(614) 265-6759

D. Mark Jones, Division Chief
  Send an Email
(614) 265-6576

Fossil Collecting & Identification

Mark Peter, Geologist
  Send an Email
(614) 265-6529

Brittany Parrick, Geologist
  Send an Email
(614) 265-6581

Doug Aden, Geologist
  Send an Email
(614) 265-6579

Geologic Records

Madge Fitak, Customer Service Specialist
  Send an Email
(614) 265-6585

Lisa Long, Library Administrator
  Send an Email
(614) 265-6590

Sylvia R. Halladay, Librarian
  Send an Email
(614) 265-6624

Christopher Thoms
  Send an Email
(614) 265-6752

Geothermal Energy

Frank Fugitt, Geologist
  Send an Email
(614) 265-6759

Glacial/Surficial Geology & Mapping

J.D. Stucker, Assistant Chief
  Send an Email
(614) 265-6601

Thomas (Andy) Nash, Geologist & Group Supervisor
  Send an Email
(614) 265-6582

Frank Fugitt, Geologist
  Send an Email
(614) 265-6759

Doug Aden, Geologist
  Send an Email
(614) 265-6579

Tyler Norris, Geologist
  Send an Email
(614) 265-6656

Thomas Valachovics, Geologist
  Send an Email
(614) 265-6616

Groundwater

Jim Raab, Supervisor
  Send an Email
(614) 265-6747

Curtis Coe, Hydrogeologist
  Send an Email
(614) 265-6733

Devon Goeller, Environmental Specialist
  Send an Email
(614) 265-6532

Scott Kirk, Environmental Specialist
  Send an Email
(614) 265-6742

Craig Nelson, Hydrogeologist
  Send an Email
(614) 265-6603

Mark Potucek, Hydrogeologist
  Send an Email
(614) 265-6748

Karst

Brittany Parrick, Geologist
  Send an Email
(614) 265-6581

Doug Aden, Geologist
  Send an Email
(614) 265-6579

Lake Erie Geology

D. Mark Jones, Division Chief
  Send an Email
(614) 265-6576

Mindy Thomas, Geologist
  Send an Email
(740) 201-2764

Landslides

Doug Aden, Geologist
  Send an Email
(614) 265-6579

Frank Fugitt, Geologist
  Send an Email
(614) 265-6759

Mineral Resources

J.D. Stucker, Assistant Chief
  Send an Email
(614) 265-6601

Christopher Wright, Geologist
  Send an Email
(614) 265-6632

Oil & Gas Information

Jim McDonald, Geologist
  Send an Email
(614) 265-6626

Michael Solis, Geologist
  Send an Email
(614) 265-6597

Jeff Deisher, Geologist
  Send an Email
(740) 201-2765

Christopher Waid, Geologist
  Send an Email
(614) 265-6627

Samuel Hulett, Geologist
  Send an Email
(614) 265-6573

Erika Danielsen, Geologist
  Send an Email
(614) 265-6589

Oil & Gas Records

Madge Fitak, Customer Service Specialist
  Send an Email
(614) 265-6585

Publications & Educational Outreach

Chuck Salmons, Group Supervisor
  Send an Email
(614) 265-6596

Anthony Bresnen, Publications Editor
  Send an Email
(614) 265-6583

Brittany Parrick, Geologist
  Send an Email
(614) 265-6581

Mark Peter, Geologist
  Send an Email
(614) 265-6529

Soils

Thomas (Andy) Nash, Geologist & Group Supervisor
  Send an Email
(614) 265-6582

Frank Fugitt, Geologist
  Send an Email
(614) 265-6759

Tyler Norris, Geologist
  Send an Email
(614) 265-6656

Thomas Valachovics, Geologist
  Send an Email
(614) 265-6616

Structural Geology

Mohammad Fakhari, Geologist
  Send an Email
(614) 265-6584

Michael Solis, Geologist
  Send an Email
(614) 265-6597

Subsurface Geology

Michael Solis, Geologist
  Send an Email
(614) 265-6597

Christopher Waid, Geologist
  Send an Email
(614) 265-6627

Samuel Hulett, Geologist
  Send an Email
(614) 265-6573

Jim McDonald, Geologist
  Send an Email
(614) 265-6626

Erika Danielsen, Geologist
  Send an Email
(614) 265-6589

Topographic Maps

Madge Fitak, Customer Service Specialist
  Send an Email
(614) 265-6585

Website

Jeremy Gladden, Electronic Design Specialist
  Send an Email
(614) 265-6841

Chuck Salmons, Publications & Outreach Group Supervisor
  Send an Email
(614) 265-6596