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Preliminary geological map of the iron bearing rocks of the northeastern part of Minnesota
Black Hills Field Notebook, 24 (Box 1, Folder 3)
Black Hills Field Notebook, 25 (Box 1, Folder 3)
Correspondence and Reports, Geology of the State of Minnesota (Box 3, Envelope 1)
Field notebook, 1 (Box 1, Folder 6)
Field notebook, 2 (Box 1, Folder 6)
Field notebook (Box 2, Folder 8)
Field notebook (Box 2, Folder 8)
Field notebook (Box 2, Folder 9)
Field notes arranged by subject (Box 3, Volume 2)
Geological and natural History Survey of Minnesota, 19 (Box 1, Folder 2)
Geological and Natural History Survey of Minnesota, 20 (Box 1, Folder 1)
Geological and Natural History Survey of Minnesota, 21 (Box 1, Folder 1)
Geological and Natural History Survey of Minnesota, 22 (Box 1, Folder 2)
Geological and Natural History Survey of Minnesota, 23 (Box 1, Folder 2)
Geological and Natural History Survey of Minnesota, 26 (Box 1, Folder 4)
Geological and Natural History Survey of Minnesota, 27 (Box 1, Folder 4)
Geological and Natural History Survey of Minnesota, 28 (Box 1, Folder 5)
Geological and Natural History Survey of Minnesota, 30 (Box 1, Folder 5)
Geological map of Hennepin County, Minn