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<br />032011 <br /> <br />Chapter J <br /> <br />THE COLORADO: ITS DEVElOPMENT AND USE <br /> <br />THE COLORADO RIVER BASIN <br /> <br />The Colorado River, from its headwaters in the mountains of north <br />central Colorado, travels approximately 1,300 miles through Colorado, <br />Utah and Arizona to its mouth at tIle Gulf of California. It flows 245 <br />miles between Arizona and California to form their boundary and <br />drains a total area of 242,000 square miles in the United States, ap- <br />proximately one-twelfth of the continental United States. The drainage <br />basin of the river includes portions of Wyoming, Colorado, Utah, New <br />Mexico, Arizona, Nevada and California. 'fhe 3,599 square miles of the <br />basin within California represent 1.5 percent of the total basin area, <br />compared with 107,242 square miles or 44.3 percent of the total basin <br />area in Arizona. <br />California is the only basin state without a major tributary to the <br />Colorado. The map which follows on the next page shows the Colorado <br />Rivcr Basin. The Colorado's tributaries and the states in which they <br />flow are as follows: <br /> <br />Tributaries States <br />The Green___________________________________________ Utah, Colorado, Wyoming <br />The Gunnison ___ _ ____ __ __________ ___ _________________ ____ _______ _ __Colorado <br />The Dolores____ ___ ___________________________________________ _Colorado, Utah <br />The San Juan_____________________________Utah, Colorado, New Mexico, Arizona <br />Johnson Creek__________ _________ ___ __________________________ __Utah, Arizona <br />Kanab Creek ___________~____________________________________.___ U tuh, Arizona <br />'J1he Little Colorado_________________~_____________________Arizona, New Mexico <br />The Bill Williams__________ ______._________ ___ __ ___ ___ _____ _. _______ ____ Arizona <br />The Gila________________________________________ ________Arizona, New Mexico <br />1'he Virgin_____________________________________________Nevada, Utah, Arizona <br /> <br />(14) <br />