ID:DA10156899
United States. Forest Service. Lake States Forest Experiment Station
United States. Lake States Forest Experiment Station, St. Paul
United States. Lake States Forest Experiment Station
North Central Forest Experiment Station (Saint Paul, Minn.)
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Lake States Forest Experiment Station, U.S. Department of Agriculture
Available at 2 libraries
prepared under the direction of the Lake States Forest Experiment Station United States Forest Service
United States Government Printing Office 1935
Available at 4 libraries
James L. Averell and Paul C. McGrew
[s.n.] 1929
Available at 1 libraries
Lake States Forest Experiment Station. Forest Service, U.S. Dept. of Agriculture