Suggestions for weeding in northern hardwoods Jensen, Victor S. (Victor Sylvan), 1901- creator Northeastern Forest Experiment Station (Radnor, Pa.) contributor text book [New Haven, Conn.] [Northeastern Forest Experiment Station] [1935] 1935
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ENG "April 1, 1935." Forest thinning Forests and forestry Hardwoods United States Occasional paper (Northeastern Forest Experiment Station (Radnor, Pa.), no. 3 https://www.biodiversitylibrary.org/bibliography/127768 38102044 10.5962/bhl.title.127768 COF