Sespe Formation sandstone in Red Rock Canyon, Topanga, California
alt="Rock formation in Red Rock Canyon. It is comprised of Sespe Formation sandstone from an ancient floodplain. Photo is from a trail run on February 17, 2018." border="0">
Rock formation in Red Rock Canyon. It is comprised of Sespe Formation sandstone from an ancient floodplain. Photo is from a trail run on February 17, 2018.