![](http://www.alamy.com/thumbs/6/40B4B42C-834E-45B0-8B54-B469F6B014A9/MA72NF.jpg)
. Effects of different systems and intensities of grazing upon the native vegetation at the Northern Great Plains Field Station .
Size: 1911px × 2616px
Photo credit: © The Bookworm Collection / Alamy / Afripics
License: Licensed
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Keywords: ., bookcentury1900, bookdecade1920, booksubjectforagep, bookyear1923