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Paper Neil Armstrong
July 18, 2019

Paper Neil Armstrong

Click on the photo of Paper Neil Armstrong to download your own!

Paper Dorothy Vaughn
July 18, 2019

Paper Dorothy Vaughn

Click on the photo of Paper Dorothy Vaughn to download your own!

Scientist on boat examines a large piece of driftwood for aquatic invertebrates
June 6, 2019

Scientist on boat examines a large piece of driftwood

Sampling pre-emergent aquatic insects is not always easy, especially on a river with little cobble substrate. Because of the high water from dam release, a lot of floating driftwood was making its way down river. We are testing a new method to sample this substrate for benthic invertebrates to examine questions of species diversity, dispersal and habitat use.

Sunset highlights distant cliffs beyond the river while a man in white shirt perches on cliff in foreground
June 9, 2019

Sunset highlights distant cliffs beyond the river

Our last evening on this section of river, exploring the cliffs and buttresses of the Uinta Basin. One of our team member pauses on heavily banded member of the Green River Formation with distant cliffs glowing in the setting sun

Double Arch - Arches National Park
July 9, 2019

Powell near Arches National Park

Powell near Arches National Park

Scientists talking to the public in front of cliffs and a river
June 4, 2019

Scientists talking to the public in front of cliffs and a river

Tildon Jones (Fish Biologist, USFWS) and Jim Prairie (hydro modeler, BOR) lecture to a public audience at Dinosaur the intricacies of the modern Adaptive Management Program for hydropower operation that considers the ecological needs of 3 endangered, endemic fish species in the Basin.

The Colorado River flowing through the Grand Canyon, AZ in 2013
July 9, 2019

Powell in Grand Canyon National Park

Powell in Grand Canyon National Park

Color photograph of Flat Canyon petroglyphs in Desolation Canyon, Green River, UT
June 14, 2019

Powell 150 Flat Canyon Petroglyphs in Desolation Canyon, Green River,

Flat Canyon petroglyph panel in Desolation Canyon, Green River, UT during the Powell 150 SCREE-USGS expedition, June 2019
This is a photo of a view looking upstream along the Colorado River.
July 9, 2019

Powell in Glen Canyon National Recreation Area

Powell in Glen Canyon National Recreation Area

This is a photo of a view looking north along Lake Mohave toward the Black Mountains.
July 9, 2019

Powell in Lake Mead National Recreation Area

Powell in Lake Mead National Recreation Area

Color photograph of Ben Capelin viewing the Green River valley from Three Canyon, UT
June 15, 2019

Powell 150 boatman Ben Capelin viewing Green River valley

Boatman Ben Capelin viewing the Green River from Three Canyon during the Powell 150 SCREE-USGS expedition, June 2019
Canyonlands National Park
July 9, 2019

Powell in Canyonlands National Park

Powell in Canyonlands National Park