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Range use of public lands was uncontrolled by the Federal government. In 1906 the Forest Service began to establish recognized grazing rights on specified areas. Lands acquired by the States upon admission to the Union were generally leased to stockman. The enactment of the Taylor Grazing Act in 1934 finally provided the means to establish control over the public domain lands. It authorized the regulation of use and the initiation of rehabilitation measures. This latter was necessary as most of the lands had deteriorated from long years of misuse. Excessive stocking of the range had resulted in the diminution of the better forage plants and permitted the establishment or spread of leas desirable plant species. PART III-PRESENT PROGRAMS FOR PUBLIC LANDS A. Types of Public Lands The 28,294,000 acres of public lands administered exclusively by BIM in the basin very from the predominate desert brush-grassland type at the lower elevations to isolated and scattered stands of ponderosa pine at the higher elevations. A moderate belt of pinon-juniper woodland type and some chaparral occurs at medium elevations. Approximate acreages for the general vegetation types are shown on Table Members 1 and 2. 13Epson Perfection 4870 Photo, 400 dpi, 8 bit, 14,247,936 byte