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United States. Department of the Army
19 results
United States. Hydrographic Office
19 results
United States. Natural Resources Conservation Service
19 results
Cummings, T. Ray
18 results
Detroit Institute of Arts
18 results
ebrary, Inc
18 results
Michigan Sea Grant Program
17 results
Michigan. Water Resources Commission
17 results
United States. Environmental Protection Agency
17 results
United States. Congress. House. Committee on Merchant Marine and Fisheries
16 results
United States. General Accounting Office
16 results
United States. Bureau of Chemistry and Soils
15 results
United States. Congress. House. Committee on Agriculture
15 results
United States. Congress. House. Committee on Claims
15 results
United States. Congress. House. Committee on the Territories
15 results
United States. Congress. Senate. Committee on Energy and Natural Resources
15 results
United States. Congress. Senate. Committee on Public Buildings and Grounds
15 results
Jude, David J. (David John), 1944-
14 results
Klasner, J. S.
14 results
Luukkonen, C. L. (Carol L.)
14 results
Twenter, F. R.
14 results
United States. Congress. House. Committee on Indian Affairs
14 results
United States. Congress. House. Committee on Un-American Activities
14 results
Martin, Helen M. (Helen Mandeville), 1889-1973
13 results
National Institute for Occupational Safety and Health
13 results
Sims, P. K. (Paul Kibler), 1918-2011
13 results
United States. Department of Agriculture
13 results
United States. National Transportation Safety Board
13 results
Westjohn, D. B. (David B.)
13 results
Stumm, Erwin Charles, 1908-1969
12 results
United States. Congress. House. Committee on Natural Resources
12 results
United States. Congress. House. Committee on Resources
12 results
United States. Congress. Senate. Committee on Indian Affairs
12 results
United States. Environmental Protection Agency. Region V.
12 results
United States. Forest Service. Eastern Region. Forest Supervisor's Office (Ironwood, Mich.)
12 results
Ehlers, George Marion, 1891-
11 results
Geological Survey (U.S.). Water Resources Division
11 results
Grannemann, N. G.
11 results
JSTOR (Organization)
11 results
Michigan. Department of Agriculture
11 results
Rachol, Cynthia M.
11 results
Rheaume, S. J.
11 results
United States. Federal Highway Administration
11 results
Cornwall, Henry R. (Henry Rowland), 1913-
10 results
EBSCOhost
10 results
Haack, Sheridan K.
10 results
Michigan State University. Cooperative Extension Service
10 results
Michigan State University. Department of Agricultural Economics
10 results
United States. Army. Corps of Engineers
10 results
United States. Bureau of Mines
10 results
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