Browsing by Author "Grafstrom, Myron"
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Item Synecological light values compared with percent of full sunlight readings(1961) Grafstrom, MyronItem Tree Reproduction and Shrubs in Relation to Stand and Site Conditions in St. Croix State Park, Minnesota(St. Paul, Minn. : School of Forestry, University of Minnesota, 1970-04-15) Kurmis, Vilis; Fedkenheuer, Alvin; Grafstrom, Myron; Hesse, Richard A.