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Geological Survey (U.S.)
821
Minnesota Geological Survey
287
United States Soil Conservation Service
191
University of Minnesota Agricultural Experiment Station
142
Rand McNally and Company
68
Meuschke, J. L
63
Minnesota Agricultural Experiment Station
59
Minnesota Division of Waters, Soils, and Minerals
57
H.M. Gousha Company
56
United States Natural Resources Conservation Service
36
Lindholm, Gerald F
35
United States Forest Service
33
American Automobile Association
32
Minnesota Department of Iron Range Resources and Rehabilitation
32
Metropolitan Council of the Twin Cities Area
31
United States Bureau of the Census
31
Chandler, Val W
30
Minnesota Department of Highways
29
Winter, Thomas C
29
Morey, G. B
28
Minnesota Division of Waters
27
United States Forest Service. Eastern Region
27
Minnesota Department of Transportation
26
Bidwell, L. E
25
Maclay, Robert W
25
Henderson, John R
23
McGill-Warner Co
23
Gilbert, Francis P
22
Helgesen, John O
21
Hudson Map Company
21
Upton Advertising (Firm)
21
Books, Kenneth G
18
Sims, P. K (Paul Kibler), 1918-2011
18
Hedberg Maps, Inc
17
Minnesota Division of Waters, Soils and Minerals
17
United States Environmental Protection Agency
17
Anderson, H. W
16
Bath, G. D
16
Broussard, W. L., 1926-
16
Cotter, R. D (Ralph D.), 1929-
14
Jirsa, Mark A
14
United States General Land Office
14
United States National Park Service
14
Case, Nat
13
Ericson, Donald W., 1927-2014
13
Ikola, R. J (Rodney J.)
13
Kanivetsky, Roman
13
Mossler, John H
13
United States Bureau of Public Roads
13
Williams and Heintz Map Corporation
13
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