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Powder X-ray diffraction laboratory, Reston, Virginia

Describes the instruments features and its application to a variety of earth science issues including but not limited to: amorphous phases, ore deposits, unconventional energy resources, organics and coal, soils and sediments, clay and rare earth minerals

Audio-magnetotelluric data from the Culpeper basin, Loudoun, Fauquier, Fairfax, Prince William, Culpeper, and Orange counties, Virginia

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.