Carrying capacity of grazing ranges in southern Arizona . FiQ. 1.—A Dense Growth of Mesquite Bushes in Stone Cabin Canyon, on theSanta Rita Range Reserve. Some stools of saccaton {Sporobolus urightii) are shown near the center of the picture. Thisgrass thrives where other grasses are killed by the Fig. 2.—a Single Medium-Sized Mesquite Bush on the Reserve, Showing ItsCrop of Beans on the Ground. The dried beans from this bush -weighed 10^^ pounds. These beans are very nutritious andare eaten freely by all kinds of stock. Plate IX.

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Keywords: ., bookcentury1900, bookdecade1910, bookidcar, booksubjectrangelands