Spear-shaped crystals of calcite called dogtooth spar frequently line small pockets in the limestone rock. These crystals are a prominent feature of other caves in the Black Hills, most notably, Jewel Cave of Jewel Cave National Monument.
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Littleleaf pussytoes can vary in color by elevation. Generally at higher elevations the plant has deeply pink bracts. At lower elevations they are more commonly white.
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