31. Blanchester Yale Public content 1907. 2011-12-12T21:34:37Z. 2022-03-29T20:40:23Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Ohio.
32. Bluffton Yale Public content 1907. 2011-12-12T21:34:37Z. 2022-03-29T20:40:23Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Ohio.
33. Bouguer anomalies in Ohio Yale Public content 1956. 2019-09-05T14:10:23Z. 2019-09-05T14:10:23Z. Ohio State University. Institute of Geodesy, Photogrammetry and Cartography. Ohio Division of Geological Survey. English. cartographic image. Public. Ohio and Ohio.
34. Bowling Green Yale Public content 1903. 2011-12-12T21:34:37Z. 2022-03-29T20:40:23Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Ohio.
35. 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.
36. Bristolville Yale Public content 1907. 2011-12-12T21:34:37Z. 2022-03-29T20:40:23Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Ohio.
37. Brookville Yale Public content 1907. 2011-12-12T21:34:38Z. 2022-03-29T20:40:23Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Ohio.
38. Bryan Yale Public content 1914. 2011-12-12T21:34:38Z. 2022-03-29T20:40:23Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Ohio.
39. 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.
40. Cadiz Yale Public content 1903. 2011-12-12T21:34:38Z. 2022-03-29T20:40:23Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Ohio.