https://www.usgs.gov/media/images/a-river-trip-watches-a-flash-flood-across-galloway-canyon-dubendorff-rapids-opposite
A river trip watches a flash flood across from Galloway Canyon into Dubendorff Rapids from the...
A river trip watches a flash flood across from Galloway Canyon into Dubendorff Rapids from the opposite bank of the Colorado River, Grand Canyon. Photo by...