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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 and Natural History Survey of Minnesota, Botany, A.W. Jones (Box 84, Folder 404)
Geological and topographical map of the anthracite fields of Pennsylvania : constructed from original explorations and surveys
Geological and topographical map of the northern part of the Lake of the Woods and adjacent country
Geological map and sections illustrating the structure of the regions drained by the Bad and Montreal Rivers [Wisconsin]
Geological map of Alberta, Saskatchewan and Manitoba
Geological map of Hennepin County, Minn
Geological map of Houston County, Minn.
Geological map of Indiana...
Geological map of Isle Royale, Lake Superior, Michigan
Geological map of Oklahoma
Geological map of Ramsey County, Minn.
Geological map of Rice County, Minn.