Online Books by
Richard H. D. Boerker
(Boerker, Richard H. D. (Richard Hans Douai), 1887-)
Books from the extended shelves:
Boerker, Richard H. D. (Richard Hans Douai), 1887-: Ecological investigations upon the germination and early growth of forest trees. (Lincoln, Neb., 1916) (page images at HathiTrust)
Boerker, Richard H. D. (Richard Hans Douai), 1887-: Our national forests; a short popular account of the work of the United States Forest Service on the national forests (The Macmillan Company, 1918) (page images at HathiTrust)
Boerker, Richard H. D. (Richard Hans Douai), 1887-: Some fundamental considerations in the prosecution of silvicultural research. ([Washington, 1918) (page images at HathiTrust)
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