. Carnegie Institution of Washington publication. CLEMENTS Mixed Prairie. A. Agropyrum glaucum-Bouteloua gracilis association, Vermejo Park. New Mexi B. Detail of Agropyrum-Bulbilis association, Winner, South Dakota. C. Polygala alba society in Bouieloua consociation, Interior, South Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Carnegie Institution of Washington. Washington, Carnegie Institution of Washington

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Keywords: ., bookauthorcarnegie, bookcentury1900, bookdecade1920, bookyear1920