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These geophysical-log stratigraphic cross sections have a vertical scale of 1 inch equals 100 feet and show units ranging from the Cambrian-Ordovician Knox Dolomite to the basal Silurian. These cross sections were prepared in 1992 as part of the study of the Trenton Limestone that resulted in Division of Geological Survey Report of Investigations 143. Cross sections published (at a reduced scale) as part of RI 143 are indicated with an asterisk. Please order by OF number and cross section letters.
| OF 283. |
Cross section A-L, Williams to Ottawa Co. |
| OF 284. |
Cross section C-I, Van Wert to Richland Co. |
| OF 285. |
Cross section B-J, Paulding to Huron Co. |
| OF 286. |
Cross section A-D, Williams to Darke Co. |
| *OF 287. |
Cross section E-K, Miami to Erie Co. |
| *OF 288. |
Cross section D-G, Darke to Delaware Co. |
| *OF 289. |
Cross section A-H, Williams to Morrow Co. |
| *OF 290. |
Cross section M-F, Ottawa to Delaware Co. |
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