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Seven aeromagnetic surveys in California and Nevada
Grid and flight-line data files provided by the geophysical survey contractors. |
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Isostatic gravity map of the Monterey 30x60 minute quadrangle and adjacent areas, California
Gravity measurements to support regional mapping and hydrologic studies |
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Isostatic gravity map of the Point Sur 30 x 60 quadrangle and adjacent areas, California
Includes 802 gravity station measurements with isostatic, free-air, simple and complete Bouguer anomalies, and terrain correction. |
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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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Density and Magnetic Properties of Selected Rock Samples from the Western U.S. and Alaska
Physical properties (density, magnetic susceptibility, and remanent magnetism) from 20,000 rock samples. Data are provided in CSV format. |
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Update of the Mineral Resources Data System for California including Mineral Deposit Types
Improved information on deposit model (type) in records of this older USGS database describing sites that are located in California. Includes a list of additional deposit types needed to properly categorize the California locations. Data are provided in Microsoft Excel, CSV, and Esri personal geodatabase (Microsoft Access) formats. |
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