 | Godman, Richard M. | (2) |
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 | Godman, Richard M.; Influence of stand density on stem quality in pole-size northern hardwoods / Richard M. Godman David J. Books. : North Central Forest Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1971. | |
 | Godman, Richard M.; Establishing even-age northern hardwood regeneration by the shelterwood method : a preliminary guide / c Richard M. Godman and Carl H. Tubbs. : North Central Forest Experiment Station, Forest Service, U.S. Dept. of Agriculture, | |
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