As part of the US Geological Survey's Western Region Mineral Resources Survey Program - Alaska Section, these data files hold descriptions of mines, prospects, and mineral occurrences. The Alaska Resource Data File (ARDF) divides the state into 1:250,000 scale quadrangles which may be clicked on to download individual reports (.pdf). Records account for "metallic mineral commodities only," but may include certain "high value industrial minerals such as barite and rare earth elements." An explanation of the fields used in the reports is also available. This database is being steadily compiled, thus data is not available for all areas in the state. By clicking on quadrangles that are not currently supporting information, the USGS is notified of interest.
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