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john r tester
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Minnesota's natural heritage
John R. Tester · University of Minnesota Press
332 sayfa · 1995
Natural history / Biotic communities / Natural history, united states / Biotic communities--minnesota / Natural history--minnesota
A study of certain plant and animal interrelations on a native prairie in northwestern Minnesota
John R. Tester · University of Minnesota Press
51 sayfa · 1961
Ecology / Natural history / Prairies / Animal-plant relationships / Waubun Prairie Research Area (Mahnomen County, Minn.).
Fertility control in wild horses
D. B. $q (Donald Blair) Siniff, John R. Tester, Edward Plotka · Bureau of Land Management]
79 sayfa · 1990
Control / Wild horses / Fertility / Wildlife management / Reproduction