While on a trip with the late great Roger Mitchell, we stopped to visit a little boulder cave in the Mojave Desert. The cave is only a few feet long, but a large, flat granite boulder is in the center. Its surface is covered with cupules and edges polished smooth by the touch of many hands over a long period of time. It is amazing to think of how many hands must have touched this rock to get it this smooth.
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Cottontail Petroglyphs
Just a few miles south of fabulous Las Vegas, Nevada, the Cottontail Petroglyphs are two adjacent sites at either end of an Aztec sandstone bluff. The site consists primarily of abstract symbols with some representational symbols of bighorn sheep.
Hackberry Springs Pictographs
