Geochemical data including mercury speciation for surface waters at the abandoned Greenwood Mine area, Prince William Forest Park, Virginia
Measured values of water properties, major- and trace-element concentrations in five sample in and near this abandoned mine. |
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Preliminary report on water quality associated with the abandoned Fontana and Hazel Creek mines, Great Smoky Mountains National Park, North Carolina and Tennessee
Water properties and water chemistry in an area containing abandoned mines where mine drainate is a concern. |
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Digital data from the Great Sand Dunes airborne gravity gradient survey, south-central Colorado
Flight-line data and gravity grids with documentation. |
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Map showing geology, structure, and geophysics of the central Black Hills, South Dakota
This 1:100,000-scale digital geologic map details the complex early Proterozoic granitic rocks, early Proterozoic supracrustal metamorphic rocks, and Archean crystalline basement of the Black Hills. |
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