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Appendix 1. List of geomorphically-slgnlflcant tributary canyons of the Colorado River In Grand Canyon (modified from Mells and others, 1994) - continued Drllnlllle Wlter Rlvlr mile Iree Rlpld SUrflce 7.5-mlnute quadrlngle and sIde Tributary name (km') Rapid name rating flll(m) name REACH 1 : UPPER WIDE 1 1.0 R 9.18 Lees Ferry 2.2 L 2.53 Lees Ferry 2.2 R 7.71 Lees Ferry 2.8 R Cathedral Wash 17.27 Unnamed riffle I.5 Lees Ferry 3.4 L 5.26 Navajo Bridge 3.5 L 0.61 Navajo Bridge 3.9 L 4.29 Navajo Bridge 4.5 L 5.87 Navajo Bridge 5.1 L 5-Mile Wash 4.64 Navajo Bridge 5.7 R Seven Mile Draw 18.65 Unnamed riffle 0.3 Navajo Bridge 7.9 L Jackass Creek 52.24 Badger Creek 6 3.9 Navajo Bridge 7.9 R Badger Canyon 47.01 Badger Creek 6 3.9 Navajo Bridge REACH 2: UPPER NARROW I 8.6 R 2.09 Unnamed riffle 0.3 Navajo Bridge 10.0 L 1.90 Bitter Springs 10.2 L 1.37 Bitter Springs 11.2 R Soap Creek 90.26 Soap Creek 5 5.1 Bitter Springa 11.8 L Salt Water Wash 9.60 Unnamed riffle 0.3 Bitter Springs 12.1 L 9.81 Unnamed riffle 0.3 Bitter Springs 12.3 R 1.36 8itter Springs 12.8 R 7.99 13-Mile Bitter Springs 13.0 L 1.\3 Bitter Springs \3.0 R 1.19 Bitter Springs \3.6 L 2.58 Bitter Springs 14.3 L Tanner Wash 182.55 Sheer Wall 2 2.9 Biner Springs 15.1 L 7.40 Bitter Springs 15.3 L 2.52 Bitter Springs 16.3 L Hanaa Ninadzidzahi 28.84 Unnamed rime 0.3 Bitter Springs 16.8 R House Rock Wash 770.52 House Rock 7 2.8 Bitter Springs 17.4 L 3.75 Redneck 3 Bitter Springs 18.0 L 18-Mile Wash 5.06 Unnamed riffle 0.3 Bitter Springs 18.1 L 3.83 Unnamed riffle OJ Bitter Springs 19.0 R 19-Mile Canyon 1.12 Emmett Wash 19.1 L 1.42 Emmett Wash 19.3 R 2.48 Emmett Wash 19.9 L 3.78 Emmett Wash 20.5 R North Canyon 407.72 North Canyon 5 3.7 North Canyon Point 21.1 L 0.04 21,Mile 5 1.8 Emmett Wash 44 Sediment Delivery by Unglged Trlbuterles 01 the Coloredo River In Grend Clnyon