Online Books by
Gilbert A. Mattson
Books from the extended shelves:
Mattson, Gilbert A.: Effects of crown release and fertilizer on small saw log-sized yellow birch (North Central Forest Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1975), also by Gayne G. Erdmann and Richard M. Godman (page images at HathiTrust)
Mattson, Gilbert A.: Seed crops and regeneration problems of 19 species in northeastern Wisconsin (U.S. Dept. of Agriculture, Forest Service, North Central Forest Experiment Station, 1976), also by Richard M. Godman and United States Forest Service (page images at HathiTrust)
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