Biennial Report

Biennial Reports have been published under a variety of forms and formats since Douglass Houghton’s first survey. Between 1914 and 1921 they were a part of the Publication series. In 1921, when the Geological Survey became a part of the Michigan Department of Conservation, Biennial Reports were published as a part of the Biennial Report of the Department of Conservation then as a part of the Biennial Report of the Department of Natural Resources.

This product is the compilation of following reports.

Item # BR-01: First Biennial Report of the Progress of the Geological Survey of Michigan, 1861.

Major contents: Sketch of the history of geology in Michigan; organization of the survey, and plan of operation; deposition, disturbance and denudation of strata, general physical structure of the northwest; general sketch of the geology of Michigan and its connection with the surrounding districts; general observations, table of geological formation; tables of deep borings in the state with an exhibition of their geology; economic geology; physical geography, topography, hydrography, meteorology; report of the state zoologist; a catalogue of the mammals, birds, reptiles and mollusks of Michigan; catalogue of phanerogamous and acrogenous plants found growing wild in the Lower Peninsula of Michigan and the island at the head of Lake Huron; map of geology of Michigan.

Item # BR-11: Eleventh Biennial Report, 1941-1942.

Major contents: Mines and mining; non-metallic mineral resources; oil and gas; surface geology; water supplies and lake levels; war work.

Item # BR-17: Seventeenth Biennial Report, 1953-1954.

Non-metallic mineral resources; hydrology; mines and mining; oil and gas; general geology, research and education.

Item # BR-19: Nineteenth Biennial Report, 1957-1958.

Major contents: General geology, research education; mines and mining; hydrology; non-metallic mineral resources; oil and gas; petroleum geology.

Item # BR-22: Twenty-Second Biennial Report, 1963-1964.

Major contents: General geology; geological survey publications; oil and gas; petroleum geology; mines and mining; non-metallic mineral resources; water resources.

Item # BR-24: Twenty-Fourth Biennial Report, 1967-1968.

Major contents: Oil and gas; mining and economic geology; water; general geology.

Item # BR-25: Twenty-Fifth Biennial Report 1969-1970

Major contents: Oil and gas; mining and economic geology; water; glacial and environmental geology; general geology.

Item # BR-26: Twenty-Sixth Biennial Report, 1971-1972.

Major contents: Oil and gas conservation group; economic and environmental geology group.

Item # BR-27: Twenty-Seventh Biennial Report, 1973-1974.

Major contents: oil and gas section of the survey; economic and environmental geology section.

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