. Effects of different systems and intensities of grazing upon the native vegetation at the Northern Great Plains Field Station . Fig. 2.âSame Area Shown in Figure I, Photographed in 1921. Note the large quantity of Artemisia frigida. The cattle usually begin to eal L1 by the middle of July. .1 rtemisia dracunculoides dees not appear at this time. July 15,1921.

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Keywords: ., bookcentury1900, bookdecade1920, booksubjectforagep, bookyear1923