BRITTANY PETERSON

On the Colorado River, growing concern for fish as waters warm

DENVER – To guide fishing trips for a year or two, that’s what brought Terry Gunn to the red canyons of northern Arizona. The chance to hike, raft and fly-fish drew Wendy Hanvold, a retired ...

Biologists’ fears confirmed on the lower Colorado River

DENVER – For National Park Service fisheries biologist Jeff Arnold, it was a moment he’d been dreading. Bare-legged in sandals, he was pulling in a net in a shallow backwater of the lower Co...

To refine water forecasts, Western cities map snow by plane

GUNNISON – At a tiny airport surrounded by mountains, a three-person crew takes off for the inaugural flight above the headwaters of the Colorado River to measure the region’s snow by air. U...