Search Results       Your search for [subject]Debris avalanches -- Arizona returned 1 record.           Lava Falls Rapid in Grand Canyon : effects of late Holocene debris flows on the Colorado River. by Webb, Robert H.; Reston, Va.: U.S. Dept. of the Interior, U.S. Geological Survey, 1999. Subject: Debris avalanches -- Arizona; Geology, Stratigraphic -- Holocene; Rapids -- Arizona.          Add to Book Cart Relevance: 34.31%