Report of Investigation

Geological and geophysical investigations, which may be of immediate public interest, are released in the series Report of Investigation. The series began publication from 1963 to 1988.

This product is the compilation of following reports:

Item # ROI-01: Report of Investigation 01, Regional Gravity and Magnetic Anomaly Maps of the Southern Peninsula of Michigan, W. J. Hinze, 1963.

Item # ROI-02: Report of Investigation 02, Michigan's Silurian Oil and Gas Pools, G. D. Ells, 1967.

Item # ROI-03: Report of Investigation 03, Geology for Land and Groundwater Development in Wayne County, Michigan. Part 1, A. J. Mozola, 1969.

Item # ROI-04: Report of Investigation 04, Geology and Magnetic Data for Northern Iron River Area, Michigan, H. L. James, 1967.

Item # ROI-05: Report of Investigation 05, Geology and Magnetic Data for the Central Iron River Area, Michigan, C. E. Dutton, 1969.

Item # ROI-06: Report of Investigation 06, Geology and Magnetic Data for Southeastern Iron River Area, MI, H. L. James, K. L. Wier, 1969.

Item # ROI-07: Report of Investigation 07, Geology and Magnetic Data Between Iron River and Crystal Falls, Michigan, H. L. James, 1970.

Item # ROI-08: Report of Investigation 08, Geology and Magnetic Data for the Northern Crystal Falls Area, Michigan, F. J. Pettijohn, 1970.

Item # ROI-09: Report of Investigation 09, Geology and Magnetic Data for Southern Crystal Falls Area, Michigan, F. J. Pettijohn, 1972.

Item # ROI-10: Report of Investigation 10, Geology and Magnetic Data for Alpha-Brule River and Panola Plains Areas, Michigan, F. J. Pettijohn, 1969.

Item # ROI-11: Report of Investigation 11, Geology and Magnetic Data for Northern Crystal Falls Area. Michigan, K. L. Wier, 1971.

Item # ROI-12: Report of Investigation 12, Geological Interpretation of Aeromagnetic Data in Western Upper Peninsula of Michigan, W. M. Meshref, W. J. Hinze, 1970.

Item # ROI-13: Report of Investigation 13, Geology for Environmental Planning in Monroe County, Michigan, A. J. Mozola, 1970.

Item # ROI-14: Report of Investigation 14, Gravity and Aeromagnetic Anomaly Maps of the Southern Peninsula of Michigan, W. J. Hinze, 1971, Revision of Report of Investigation No. 1.

Item # ROI-15: Report of Investigation 15, Subsurface Geology of Barry County, Michigan, R. T. Lilienthal, 1974.

Item # ROI-16: Report of Investigation 16, A Ground Investigation of An Aeromagnetic Anomaly in North Central Dickinson County, Michigan, D. W. Snider, 1977.

Item # ROI-17: Report of Investigation 17, Establishing Vegetation on Alkaline Iron and Copper Tailings, S. G. Shetron, 1977.

Item # ROI-18: Report of Investigation 18, Drill Core Investigation of the Fiborn Limestone Member in Schoolcraft, Mackinac, and Chippewa counties, Michigan, A. D. Johnson, H. O. Sorensen, 1978.

Item # ROI-19: Report of Investigation 19, Stratigraphic Cross- Sections of the Michigan Basin, R. T. Lilienthal, 1978.

Item # ROI-20: Report of Investigation 20, An Economic Study of Coastal Sand Dune Mining in Michigan, M. J. Chapman, 1978.

Item # ROI-21: Report of Investigation 21, Economic Geology of the Sand and Sandstone Resources of Michigan, E. W. Heinrich, 1979.

Item # ROI-22: Report of Investigation 22, Stratigraphic Cross- Sections Extending from Devonian Antrim Shale to Mississippi Sunbury Shale in the Michigan Basin; G. D. Ells, 1979.

Item # ROI-23: Report of Investigation 23, Dune Type inventory and Barrier Dune Classification Study of Michigan's Lake Michigan Shore; W. R. Buckler, 1979.

Item # ROI-24: Report of Investigation 24, The Yellow Dog Peridotite and A Possible Buried Igneous Complex of Lower Keweenawan Age in the Northern Peninsula of Michigan, J. S. Klasner, 1979.

Item # ROI-25: Report of Investigation 25, Potassium Salts - Potash - of the Salina A1 Evaporite in the Michigan Basin, R. C. Elowski, 1980.

Item # ROI-26: Report of Investigation 26, Selected Studies of Cambro-Ordovician Sediments within the Michigan Basin; D. M. Bricker, 1983.

Item # ROI-27: Report of Investigation 27, Upper Carboniferous Rocks of the Michigan Basin: Lithostratigraphy and Depositional Environments of the Pennsylvanian Rocks and the Bayport Formation of the Michigan Basin, R. Vugrinovich, 1984.

Item # ROI-28: Report of Investigation 28, Cryptoexplosive Disturbance, Calvin 28, Cass County, Michigan, R. L. Milstein, 1988.

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