The construction of Glen Canyon Dam near Page, Arizona, filled Glen Canyon and created Lake Powell. Construction was fully ...

The mountains that feed the Colorado River with snowmelt are strikingly dry, with many ranges holding less than 50% of their ...

Elzada Clover and Lois Jotter conducted a harrowing 43-day trip down the Colorado River in an effort to map the Grand Canyon's flora.

Over the course of two decades, he contributed to the construction and maintenance of major projects such as Glen Canyon Dam in Arizona, a canal structure in California, and Grand Coulee Dam in ...

The U.S. Department of Interior said Wednesday it extended more than a dozen contracts with water-rights holders in ...

The Colorado River flows through the Glen Canyon and Hoover dams to supply hydroelectric ... 321,000 acre-feet in water storage at the Hoover Dam's drying Lake Mead, which experts say equals ...

A resolution passed the U.S. Senate today that would allow the use of off-road vehicles (ORVs) and all-terrain vehicles (ATVs ...