Barrier Canyon Style

Barrier Canyon Style (BCS) describes a distinctive style of rock art which appears mostly in Utah, with the largest concentration of sites in and around the San Rafael Swell and Canyonlands National Park, but the full range extend into much of the state and western Colorado. The term was first applied by Polly Schaafsma (The Rock Art of Utah, 1971...
Found on http://en.wikipedia.org/wiki/Barrier_Canyon_Style
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