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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Gold veins near Great Falls, Maryland
Mining features digitized from Plate 2 of this report. Includes locations of adits, shafts, prospect pits, and trenches.Gold discovered in this area in 1861 was worked sporadically until 1960. |
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Geochemical data generated by projects funded by the USGS Earth Mapping Resources Initiative
Includes all geochemical data generated by each project partnership funded through Earth MRI and will be updated periodically as additional geochemical data from these projects becomes available. |
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