Cuyuna Range Underground Mined Extents

The Cuyuna Range Underground Mined Extents polygon shapefile coverage comprises the areal extents of underground mine workings as digitized from found and geo-rectified surface and level maps of the Cuyuna Range underground natural iron ore mines (Not all levels of the Armour No. 1, Armour No. 2, and Croft mines were digitized).

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Last Updated May 4, 2022, 18:14 (UTC)
Created May 4, 2022, 18:10 (UTC)