. Carnegie Institution of Washington publication. . H^l A. Mixed grazing type of oak chaparral and grass, Sonora Grazing Station. Edwards Plateau, Texas. B. Mixed type of tall-grass (Agropyrum) and short-grass (Bulbilis-Bouhloua) with relicts oiSarcobatus, Ardmore Station. 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