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Mineral Exploration Document Areas - Minarchive
Spatial (GIS) footprints representing more than 10,000 scanned mineral exploration documents were indexed by the Minnesota DNR's Lands and Minerals Division between 1999-2001.... -
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...
You can also access this registry using the API (see Dokumentacja API).