Core locations in Ohio and adjacent states, by G. A. Schumacher, M. H. Goodman, and J.M. Harrison; GIS database administration by J. G. Wells; GIS and cartography by K. L. Vogt, 2008. Scale 1:500,000 (1 inch equals about 8 miles). MAP SHIPS FOLDED ONLY.
Shows the drilling location for each of the cores stored at the Survey's H. R. Collins Repository, as well as identification numbers, strati-graphic information, and the geologic system or period present at the total depth of each core.
Core samples and cuttings data are also found on the Survey's Oil and Gas Interactive Map, available online at www.OhioGeology.com.