Browsing by Author "Duncan, D.P."
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Item Camper Reactions to Fees and Charges in Minnesota State Parks(St. Paul, Minn. : School of Forestry, University of Minnesota, 1965-04-15) Beardsley, W.G.; Duncan, D.P.Item The Effect of Rainfall on the Basal Area Growth of Aspen as Related to Defoliation by the Forest Tent Caterpillar(St. Paul, Minn. : School of Forestry, University of Minnesota, 1956-04-15) Froelich, Ronald; Shiue, Cherng-Jiann; Duncan, D.P.; Hodson, A. C. (Alexander Carlton), 1906-1996Item Effect of Time of Shearing Red Pine Christmas Trees on Bud Formation and Leader Growth(St. Paul, Minn. : School of Forestry, University of Minnesota, 1960-10-15) Duncan, D.P.; Sullivan, E.T.; Shiue, C.J.Item The Growth Potential of Basswood in Southern Minnesota(St. Paul, Minn. : School of Forestry, University of Minnesota, 1960-10-15) Ffolliott, P.F.; Irving, F.D.; Duncan, D.P.Item The Growth Potential of Black Walnut in Southeastern Minnesota(St. Paul, Minn. : School of Forestry, University of Minnesota, 1960-10-15) Ffolliott, P.F.; Irving, F.D.; Duncan, D.P.Item Influence of Aspen Defoliation by the Forest Tent Caterpillar in Minnesota of the Radial Growth of Associated Balsam Fir(St. Paul, Minn. : School of Forestry, University of Minnesota, 1955-10-15) Froelich, Ronald; Hodson, A. C. (Alexander Carlton), 1906-1996; Schneider, A.E.; Duncan, D.P.Item Long Range Effect on Aspen of Defoliation by the Forest Tent Caterpillar(St. Paul, Minn. : School of Forestry, University of Minnesota, 1964-07-15) Churchill, G.B.; Duncan, D.P.; John, H.H.; Hodson, A. C. (Alexander Carlton), 1906-1996Item Preliminary Observations of an Inquiry into the Effects of the Defoliation of Jack Pine by the Jack Pine Budworm(St. Paul, Minn. : School of Forestry, University of Minnesota, 1957-01-15) Kulman, H.M.; Hodson, A. C. (Alexander Carlton), 1906-1996; Duncan, D.P.Item Preliminary Study of Growth Losses in Minnesota Jack Pine Following Defoliation by the Budworm(St. Paul, Minn. : School of Forestry, University of Minnesota, 1958-10-15) Jaquith, P.H.; Duncan, D.P.; Kulman, H.M.; Hodson, A. C. (Alexander Carlton), 1906-1996Item Selected Poplars for Minnesota Plantings(St. Paul, Minn. : School of Forestry, University of Minnesota, 1955-07-15) Duncan, D.P.; Kaufert, F.H.; French, D.W.Item Snow Drifting Patterns in Farmstead Windbreaks Having Various Widths of Snowtrap(St. Paul, Minn. : School of Forestry, University of Minnesota, 1962-04-15) Duncan, D.P.; Hansen, Henry L.Item A Study of Private Campgrounds in Minnesota(St. Paul, Minn. : School of Forestry, University of Minnesota, 1965-04-15) Beardsley, W.G.; Duncan, D.P.