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view of landscape of river with cottonwood galleries in background and tent in foreground
August 30, 2019

Flora and Fauna - Cottonwoods Galleries

Both Powell’s crew and this year’s modern expedition camped along the river with views of cottonwood galleries. 

scientists holding a test tube with aquatic insects.
August 30, 2019

Flora and Fauna - Emerging Aquatic Insects

USGS scientists collected the adult life stage of emerging aquatic insects each evening of the recent Sesquicentennial Colorado River Exploring Expedition.

GeoGirls 2019 group photo, with Mount St. Helens in the background
August 5, 2019

GeoGirls 2019 Group Photo

GeoGirls 2019 group photo, with Mount St. Helens in the background.

Girls hike along a trail at Mount St. Helens
August 5, 2019

GeoGirls Hike the Pumice Plain at Mount St. Helens

The GeoGirls hike the Pumice Plain at Mount St. Helens, examining lava outcrops and volcanic sediment.

Girls stand in circle with one pointing a paper on the ground
August 5, 2019

The GeoGirls Create Field Drawings

The GeoGirls create field drawings of 1980 pyroclastic flow deposits on Mount St. Helens’ Pumice Plain.

People standing with lights in a dark cave
August 4, 2019

GeoGirls Venture into Ape Cave

GeoGirls venture into Ape Cave, a 2,000-year-old lava tube on the south flank of Mount St. Helens, as they learn about Mount St. Helens’ eruptive history and lava flows.

Girls stand in cave with headlamps lighting a book
August 4, 2019

GeoGirls Venture into Ape Cave II

GeoGirls venture into Ape Cave, a 2,000-year-old lava tube on the south flank of Mount St. Helens, as they learn about Mount St. Helens’ eruptive history and lava flows.

Girls stand in stream and take measurements
August 5, 2019

GeoGirls Hike to Willow Creek

GeoGirls hike to Willow Creek, on Mount St. Helens’ Pumice Plain, to learn more about the ecology of the blast zone and how the area has recovered since the catastrophic May 18, 1980, eruption. Here, they look at stream characteristics and how it has influenced the return of life to the area.

Girls standing in a large circle around a volcano monitoring station
August 5, 2019

The GeoGirls Visit a Volcano Monitoring Station at Mount St. Helens

The GeoGirls visit a volcano monitoring station on the east side of Mount St. Helens, finding out how scientists use different monitoring methods (seismic, GPS, tiltmeter) to understand more about the volcano.

An invasive Cuban treefrog in New Orleans, LA.
August 23, 2019

Outstanding in the Field (Ep 4): Amphibian Surveys – Call of the Frog

The USGS Ecosystems Mission Area brings you Outstanding in the Field, a series of stories about our science, our adventures, and our efforts to better understand our fish and wildlife and the ecosystems that support them. In this episode we describe the USGS’s efforts to track frog populations in the southeast United States. 
 

Two wooden river boats made several decades after Powells expedition.
May 19, 2019

Grand Canyon National Park Historic River Boat Collection

The Edith (left), in Grand Canyon National Park’s historic river boat collection, is an example of a wooden river boat, though it was made from several decades after Powell’s expedition.  Brothers Emery and Ellsworth Kolb paddled it down the Colorado River in 1911-12.