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The chestnut bark disease : where found in Massachusetts, how to tell the disease, methods of control, trees should be utilized before they die
Rangeland reference area program for the province of Alberta
The periodical cicada in 1907. (Tibicen septendecim L., race tredecim Walsh-Riley.)
A study of the biology of the cutthroat trout in the Sheep River with special reference to Gorge Creek
1974 environmental monitoring and baseline data Volume III Temperate studies
The application of scientific and practical arboriculture to Canada synopsis of a paper read before the British Association for the Advancement of Sc…
Geology and mammalian paleontology of the New Fork-Big Sandy area, Sublette County, Wyoming
1977 environmental monitoring and baseline data Temperate studies, Rhode River, Maryland
... Directions for meteorological observations, and the registry of periodical phenomena
Check list of New York birds
