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Geology and mineral deposits of the Keweenaw Peninsula and vicinity, Michigan

Geospatial data and tabular data on the geology, structure, mines and mineral deposits, including lithology, age, tectonic setting, and stratigraphy.

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Airborne magnetic survey, Iron Mountain-Chatham region, central Upper Peninsula, Michigan, 2018

Digital flight line data for a high-resolution magnetic survey with line spacing 150 meters and nominal terrain clearance 80 meters over most of the study area. Data are provided as Geosoft databases and grids. Data over two small areas (less than 1 sq km combined) were redacted because those areas include multiple tracts of Native American lands.

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Reported historic asbestos mines, historic asbestos prospects, and other natural occurrences of asbestos in the conterminous United States

Site-by-site information on 876 natural occurrences of asbestos reported within the conterminous US. Includes location, mineralogy, geology, and relevant literature for each asbestos site. Data are provided in Microsoft Excel, shapefile, and CSV formats.

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