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Mailing Address:
Ohio Department of Natural Resources
Division of Geological Survey
2045 Morse Rd
Building C
Columbus, OH 43229-6693

Telephone: (614)265-6576
FAX: (614)447-1918

Email: geo.survey@dnr.state.oh.us

Contact Information Division of Geological Survey Office Locations & Location Maps

Central Office	Horace R. Collins Laboratory

Ohio Department of Natural Resources Division of Geological Survey 2045 Morse Rd., Bldg. C Columbus, OH 43229-6693	3307 South Old State Road Delaware, OH 43015
Office Hours [50 KB PDF]
Telephone: (614) 265-6576 FAX: (614) 447-1918 E-mail: geo.survey@dnr.state.oh.us	Telephone: (740) 548-7348 FAX: (740) 657-1979 E-mail: geo.survey@dnr.state.oh.us

Location Map	Location Map

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Contact Information