Organizational records, 1909, 1988, undated, include: County Binders (28 cubic ft.); a Permit List (.25 cubic ft.); Permits, 1927-1988 (6 cubic ft.); Photographs, including Oversized, 1909, 1974, undated (Approx. 6 cubic ft.); Subject Files, 1925-1982, undated (.25 cubic ft.); Reports, 1950s, 1970-1974, undated (.25 cubic ft.); Michigan. Dept. of Conservation. Geo. Survey Development Materials, 1912, 1932 (.25 cubic ft.); Negatives, ca. 1930-1985, undated (5.5 cubic ft.); and Slides, mostly unidentified and undated (Approx. 1 cubic ft. in 3 slide boxes). Also included are musty and moldy Photographs and Negatives, 1951, 1982, undated (1 cubic ft.), which have been separately housed to avoid contaminating the rest of the collection. These materials should be used with care by researchers. The County Binders, filed alphabetically by county name and then township name within each county, include drilling reports, with date, name of drilling company, location of area (section/s of township) drilled, types of layers drilled through, types of minerals, oil, and other materials found, the depth at which materials were found, and the thickness of the material, as well as other information. The Subject Files document a number of oil and gas companies and issues related to oil and gas exploration in Mich. Copies of MOGN News and other publications of MOGN are in the CMU libraries.
