weird sandstone formations created by erosion at ah-shi-sle-pah wilderness study area in san juan county near the city of

ahshislepah alien america area arid badlands bisti bizarre bloomfield chimney city climate county created desert dry eroded erosion exploration fall farmington formation formations geological geology horizontal juan landscape location mexico mountain national nature new object outdoor outdoors pah park petrified pinnacle pursuit remote rock san sandstone scenic shi sle southwest states stone study united usa valley weird wilderness wood