Images

Looking upstream at Mckenzie River about 0.25 miles below Sahalie Falls. OWRSC has many stream gages in this area to help out EWEB cooperators.

Survey area for low-flying helicopter soon to be visible in six Montana counties, including Helena, the Elkhorn Mountains, Bull Mountain and the Tobacco Root Mountains.

Helicopter conducting low-level flights. Image courtesy Sander Geophysics Ltd.

A low-flying helicopter towing a geophysical device collects scientific data on groundwater and geology. Information collected during these surveys can help with studying critical mineral resources, natural hazards and groundwater potential.

A helicopter rigged with an airborne geophysical survey collecting equipment. Information collected during these surveys can help with studying critical mineral resources, natural hazards and groundwater potential. A cow is here too.

Locations of barred owl sightings recorded during 2015 owl monitoring activities. Barred owls were lethally removed from the areas highlighted in pink. Supporting data is found at https://doi.org/10.3133/ofr20201089.

Locations of barred owl sightings recorded during 2020 owl monitoring activities. Barred owls were lethally removed from the areas highlighted in pink. Supporting data is found at https://doi.org/10.3133/ofr20201089.

Barred owls spread west during the 1900s and today completely overlap the range of the northern spotted owl.

Cableway (foreground) and stream gage (background) on Blue River at Blue River, Oregon (Site number 14162200)

Cableway on North Santiam River at Niagara, Oregon (Site number 14181500)

Stream gage on Blue River at Blue River, Oregon, (Site number 14162200)

Stream gage on McKenzie River near Vida, Oregon (Site number 14162500) 

Stream gage on South Fork McKenzie River near Rainbow, Oregon (Site number 14159500)

The USGS Forest and Rangeland Ecosystem Science Center (FRESC) held a groundbreaking ceremony on August 25, 2020 at the Idaho Water Science Center (IDWSC) in Boise, Idaho.

Researchers instruct volunteers on how to collect dragonfly larvae in Glacier NP as a part of the Dragonfly Mercury Project.

White-nose syndrome has been detected in Washington. USGS scientist are helping the NPS design and evaluate bat sampling protocols for their Pacific Northwest parks.

Hydrologic technician Russ Miller navigates a remote-controlled acoustic Doppler current profiler into position to measure streeambed elevation at a highway bridge over the Payette River near Letha, Idaho.

Map showing ice cover in the Yellowstone region. Light shaded areas bounded by black and red lines indicate areas covered during the Pinedale (about 20,000-15,000 years ago) and Bull Lake (about 150,000 years ago) glaciations, respectively. Blue lines are contours in thousands of feet on the maximum reconstructed Pinedale glacier surface.

Earthquakes at Mount Rainier from 2010 to 2019. As shown in the graphic, fluids from the magmatic system beneath the volcano rise through existing cracks and weaknesses in the crust. Along with rainwater and ice/snow melt, these fluids combine to create a hydrothermal system within the volcano.

Great Basin rattlesnake (Crotalus oreganus lutosus) held by snake tongs. The Great Basin rattlesnake is the only venomous snake in Idaho.

Boise State University Master’s student Kristina Parker uses a syringe to collect blood from a Great Basin rattlesnake (Crotalus oreganus lutosus). The blood’s ribonucleic acid, or RNA will be analyzed to track genetic change in the snake from habitat disturbances. RNA, along with deoxyribonucleic acid – or DNA, are the molecules that carry genetic information.