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Mineral Exploration Document Areas - Lehmann Family Fund Collection
Spatial (GIS) footprints that connect to more than 2,000 scanned mineral exploration documents from the Lehmann Family Fund Collection (including the Polaris Joint Venture). The... -
DNR Mineral Potential Section Projects Since 1976
Spatial (GIS) footprints of published and open-file projects since 1976 sourced from the Minnesota DNR's Mineral Potential Section. Most of the footprints have a URL link to a...