rscottjones: replica Clark engraving
rscottjones: the Yellowstone River
rscottjones: native petroglyphs
rscottjones: Clark's signature
rscottjones: other engravings
rscottjones: Pompey's Pillar National Monument
rscottjones: Clark's signature
rscottjones: Pompeys Pillar, from the old parking lot
rscottjones: the new visitor center
rscottjones: natl historic landmark plaque
rscottjones: IMG_8970
rscottjones: IMG_8968