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. |
Info |
Global Geochemical Database for Critical Minerals in Archived Mine Samples
Chemistry and geologic information for historic ore and ore-related rock samples from mineral deposits in the United States and from archetypal deposits from 27 other countries. Data are provide in Microsoft Access, Microsoft Excel, and CSV formats. |
Info |
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. |
Info |