Q:

Where can you find a map of the entire Colorado River?

A:

Quick Answer

The U.S. Geological Survey offers a map of the entire Colorado River on Water.USGS.gov. A map of the entire Colorado River that includes diversions, dams and reservoirs is available on NationalGeographic.com.

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Full Answer

John Wesley Powell made the first maps of the Colorado River. Sponsored by the Smithsonian Institute, Powell and his crew explored and documented the river in wooden boats in 1869. In 1871, the U.S. Government sponsored Powell's second expedition to explore and map the mighty river, according to the Utah History Encyclopedia.

The source of the 1,450 mile Colorado River is at La Poudre Pass in the Colorado Rocky Mountains. The mouth of the river is at the Gulf of California Colorado River Delta near Sonora, Mexico. More than 25 tributaries, including Green River, Gila River, San Juan River and Dolores River, flow into the Colorado River.

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