One of my favorite excursions of the year is my AP Environmental Science class field trip up Blue Job Mountain in Farmington, N.H. The purpose of this field trip is to collect data about a variety of ...
One folded map in pocket. Updated and amended ed. of Río Mayo plants: a study of the flora and vegetation of the valley of the Río Mayo, Sonora; published Washington, D.C., 1942. GENTRYS RÍO MAYO ...
(1) Recent assessments of species-abundance at Warren Woods, a climax beech-sugar maple forest in Michigan, were compared with data from 1919-21 and 1933. The results indicated that the abundance of ...
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