Carrying capacity of grazing ranges in southern Arizona . B^la^. FiQ. 1.— Grama Association in a Typical Form on the SantaRita Range Fig. 2.—a Patch of Heteropogon contortus on the Reserve, Showing theHabit, Size, and Density of This Grass as It Grows in the Crowfoot GramaAssociation. Bui. 367, U. S. Dept, of Agriculture. Plate IV.

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Keywords: ., bookcentury1900, bookdecade1910, bookidcar, booksubjectrangelands