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SIGNAL MOUNTAINS. The Signal Mountains are near Chimney Creek between U.S. Highway 87 and Interstate Highway 20 nine miles southeast of Big Spring in Howard County. The summit of Signal Peak, on the north end of the mountains (at 32°12' N, 101°19' W), has an elevation of 2,730 feet. The Signal Mountains are composed of mud and sand substrate with shallow to moderately deep silt loam soil that supports mesquite and grasses on the moderately steep, eroding slopes of the mountains.


The following, adapted from the Chicago Manual of Style, 15th edition, is the preferred citation for this article.

"SIGNAL MOUNTAINS," Handbook of Texas Online (, accessed November 27, 2015. Uploaded on June 15, 2010. Published by the Texas State Historical Association.