Central Office
Ohio Dept. of Natural Resources Division of Geological Survey 2045 Morse Rd., Bldg. C Columbus, OH 43229-6693
Telephone: (614) 265-6576 FAX: (614) 447-1918 E-mail: geo.survey@dnr.state.oh.us
Location Map
Horace R. Collins Laboratory
3307 South Old State Road Delaware, OH 43015
Telephone: (740) 548-7348 FAX: (740) 657-1979 E-mail: geo.survey@dnr.state.oh.us
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Page updated March 20, 2008
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