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Grand Canyon National Park: Colorado River Raft Tour - 4

By Geology and Ecology of National Parks
Colorado River Raft Tour - remnants of massive lava flows Colorado River Raft Tour - a small volcanic cinder cone Colorado River Raft Tour - a remnant of a large volcanic stock Colorado River Raft Tour - Lava Falls Rapid Colorado River Raft Tour - Lava Falls Rapid Colorado River Raft Tour - a raft in Lava Falls Rapid Colorado River Raft Tour - Lava Falls Rapid Colorado River Raft Tour - Colorado River boatmen Colorado River Raft Tour - lava flows & sedimentary rocks Colorado River Raft Tour - small rapids with remnants of lava flows Colorado River Raft Tour -sedimentary rocks, lava flows, & cinder cone Colorado River Raft Tour - columnar jointing Colorado River Raft Tour - Quaternary lava flows near Whitmore Wash Colorado River Raft Tour - the confluence of Parashant Wash Colorado River Raft Tour - the mouth of Parashant Wash Colorado River Raft Tour - Fall Canyon Colorado River Raft Tour - potholes in the Tapeats Sandstone Colorado River Raft Tour - the entrance to a large pothole Colorado River Raft Tour - potholes in the Tapeats Sandstone Colorado River Raft Tour - potholes in the Tapeats Sandstone Colorado River Raft Tour - a person sitting in a pothole Colorado River Raft Tour - potholes in the Tapeats Sandstone Colorado River Raft Tour - Pumpkin Spring Colorado River Raft Tour - Quaternary basalt flows Colorado River Raft Tour - cliffs, alluvial cones, and basalt flows Grand Canyon National Park - Map