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You searched for: Author Ojakangas, Richard W. Remove constraint Author: Ojakangas, Richard W. Collection Minnesota Geological Survey Remove constraint Collection: Minnesota Geological Survey Institution Minnesota Remove constraint Institution: Minnesota Year 1977 Remove constraint Year: 1977
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1. Geologic map of Lost Lake quadrangle, St Louis County, Minnesota, M-17

1977. Ojakangas, Richard W. and Sims, Paul K. Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of the Lost Lake quadrangle, scale 1:24...

2. Geology, sulfide mineralization and geochemistry of the Birchdale-Indus area, Koochiching County, northwestern Minnesota, RI-17, Plate 1

1977. Ojakangas, Richard W., Meineke, David G., and Listerud, W.H. Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of the Birchdale-Indus Area, Minnesota,...