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MCKINNEY MOUNTAIN. McKinney Mountain is thirty-six miles southwest of Alpine in west central Brewster County (at 29°50' N, 103°47' W). Its summit, at an elevation of 5,006 feet above sea level, rises 1,225 feet above the O2 Ranch, two miles northeast. The soils on the mountain are shallow and stony; local vegetation includes live oak, piñon pine, juniper, and grasses. The peak is named for W. Q. McKinney, who in 1886 built a rock house at the site of the future O2 Ranch.

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"MCKINNEY MOUNTAIN," Handbook of Texas Online (, accessed December 01, 2015. Uploaded on June 15, 2010. Published by the Texas State Historical Association.