| MOHAVE | Tribe around the Colorado River |
| CHIPPEWA | Tribe around Lake Superior |
| YUMA | Part of North America's Sonoran Desert. It lies south of the Gila River and east of the Colorado River in the extreme southwestern corner of Arizona. |
| HOOVERDAM | Barrier in the Black Canyon of the Colorado River, on the border between the states of Nevada and Arizona (6,3) |
| AUSTIN | Which US city, on the Colorado River and the railway line to San Antonio, is the capital of Texas? ( |
| COCOPAH | A member of a North American Indian people living around the mouth of the Colorado river. |
| SOUTHRIM | On the left bank of the Colorado river, the most visited area of Grand Canyon National Park |
| GRANDCANYON | This wondrous pathway of the Colorado River through Arizona became a national park in 1919, the ... |
| MEAD | Lake ... is a reservoir in Arizona and Nevada formed by the Hoover Dam across the Colorado River (4) |
| BOULDER | Former name of the Hoover Dam on the Colorado River |
| GILA | A river that rises in western New Mexico and flows westward through southern Arizona to become a tributary of the Colorado River. |
| HOOVER | Dam on the Colorado River, on the Arizona/ Nevada border (6) |
| SONORA | State bordered by the Colorado River |
| DAM | Hoover ___ (power-generating structure on the Colorado River) |
| HOOVERDAMP | Unseasonable moisture along the Colorado River? |
| MESA | Sight from the Colorado River |
| SOURCE | La Poudre Pass Lake, for the Colorado River |
| ARIZONA | The Colorado River separates which state from California? (7) |
| WALAPAI | A member of a North American people formerly living in the Colorado river valley in Arizona. |
| CANYON | Deep gorge formed by the Colorado River in northern Arizona, US (5,6) |