pictographs how head, body, & faces on sandstone walls at medicine lodge park near hyatville. , wyoming.

rock formation geology wall carving terrain floor canyon art cliff relief cave flooring pictographs head body faces sandstone walls lodge park wyoming petroglyphs american indian archeology art canyon drawing crow indians carvings sandstone texture stone old rock brown wall abstract red surface nature pattern sand ancient textured desert rough aged writing crow etching historical history