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You searched for: Collection Minnesota Geological Survey Remove constraint Collection: Minnesota Geological Survey Place Minnesota, United States Remove constraint Place: Minnesota, United States Data type Image Remove constraint Data type: Image Year 1917 Remove constraint Year: 1917
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1. Surface formations and agricultural conditions of northeastern Minnesota, Bulletin 13, Plate 1

1917. Leverett, Frank. and Sardeson, Frederik W. Sheet 2, Map of the Surface (glacial landforms) Formations and agricultural conditions of northeastern Minnesota, scale 1:500,000.