1. Alger Yale Public content 1915. 2011-12-12T21:34:34Z. 2022-03-29T20:40:23Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Ohio.
2. Bellefontaine Yale Public content 1915. 2011-12-12T21:34:36Z. 2022-03-29T20:40:23Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Ohio.
3. Brinkhaven Yale Public content 1915. 2011-12-12T21:34:37Z. 2022-03-29T20:40:23Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Ohio.
4. Bucyrus Yale Public content 1915. 2011-12-12T21:34:38Z. 2022-03-29T20:40:23Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Ohio.
5. Columbus folio, Ohio Yale Public content 1915. 2013-03-14T16:52:04Z. 2022-12-02T14:56:30Z. The Survey. English. Public. Ohio, Delaware County, Fairfield County, Franklin County, Licking County, Madison County, Pickaway County, Union County, and États-Unis.
6. Coshocton Yale Public content 1915. 2011-12-12T21:34:42Z. 2022-03-29T20:40:24Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Ohio.
7. Crestline Yale Public content 1915. 2011-12-12T21:34:42Z. 2022-03-29T20:40:24Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Ohio.
8. East Liberty Yale Public content 1915. 2011-12-12T21:34:44Z. 2022-03-29T20:40:24Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Ohio.
9. Fredericktown Yale Public content 1915. 2011-12-12T21:34:45Z. 2022-03-29T20:40:24Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Ohio.
10. Kenton Yale Public content 1915. 2011-12-12T21:34:48Z. 2022-03-29T20:40:24Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Ohio.