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.

Aerial image of Glen Canyon Dam, a concrete arch on the Colorado River. Water levels are at their lowest since the 710-foot-high dam filled to capacity in the early 1980s. Pete McBride The water ...

In the 1930s, workers bored a 13-mile tunnel beneath Mt. San Jacinto. Here's a look inside the engineering feat that carries ...

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 ...

Talks had stalled late last year but have since resumed. Upper Basin negotiators, including Colorado's lead, Becky Mitchell, are pushing for supply-driven management of reservoirs like Lake Powell and ...

no Upper Basin conservation and a focus on upstream reservoir releases to keep Lake Powell full enough to make hydropower at Glen Canyon Dam. “We have to remember that creating your own solution ...