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You searched for: Author Minnesota Geological Survey Remove constraint Author: Minnesota Geological Survey Collection Minnesota Geological Survey Remove constraint Collection: Minnesota Geological Survey Institution Minnesota Remove constraint Institution: Minnesota Year 1969 Remove constraint Year: 1969
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1. The proposed Voyageurs National Park: Its geology and mineral potential, 1969, Plate 1

1969. Minnesota Geological Survey. Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of proposed Voyageurs National Park, No...