Wheatcraft, A.M., Ellefson, P.V., Risbrudt, C.D. and Goforth, M.H., (1983), "Forestry Incentives Program Investments in 1974: Retention Through 1981 in the North", Minnesota Forestry Research Notes 286, School of Forestry, University of Minnesota
Minnesota Forestry Research Notes
Published as Miscellaneous Journal Paper Series No. 1881 of the Minnesota Agricultural Experiment Station.
Research supported by Cooperative Forestry, State and Private Forestry, USDA Forest Service,
Washington, D.C.; and Agricultural Experiment Station and Department of Forest Resources, St. Paul, MN.
Wheatcraft, Andrew M.; Ellefson, Paul V.; Risbrudt, Christopher D.; Goforth, Marcus H..
Forestry Incentives Program Investments in 1974: Retention Through 1981 in the North.
St. Paul, Minn. : School of Forestry, University of Minnesota.
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