Images

NWISMapper screenshot of Wyoming-Montana Stream Water-Quality Network Sites

We are using this piece of equipment to instantly measure stream temperature, pH, dissolved oxygen, and electrical conductivity. When you move the probe up and down in the water column, you can tell if the stream has stratification.

Using Doppler to peer under the ice and measure streamflow at New Fork River near Big Piney, Wyoming.

A USGS employee uses a motorized auger to drill a two-foot hole in the ice for the purpose of measuring streamflow on the Sweetwater River. This image shows the final stages of the drilling process for one hole out of the twelve drilled that day.

Coring platform assembled on the shore of Goose Lake, in Lower Geyser Basin, Yellowstone National Park, in 2018. Today, the nearest thermal features are 400 meters (about 1300 feet) away from Goose Lake, but thousands of years ago Goose Lake itself showed indications of being thermally active!. Steam from Midway Geyser Basin can be seen in the distance.

Hydrothermal sediment deposits from the Goose Lake sediment core, Lower Geyser Basin, Yellowstone National Park. The orange sediment (left, scale in cm) consists mostly of fluorite, a common mineral in some hydrothermal deposits, but not usually found in lake sediments.

The four subbasins of Norris Geyser Basin, Yellowstone National Park, as seen on a Google Earth base map.  The curving line to the east of Norris Geyser Basin is the Grand Loop Road (Norris Junction is in the center-right of the image). Figure developed by Bill Keller, Yellowstone National Park. 

This is a graphic from the USGS National Oil and Gas Assessment Explorer application, which allows user to drill into 70 oil and gas assessment provinces throughout the United States.

A USGS employee takes a wading measurement of streamflow on Leidy Creek at Togwotee Pass. Bear tracks on the fresh snow and seven grizzlie sightings were a good reminder to be bear-aware when taking measurements in this area.

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Cross section wading measurement looking downstream at Bull Lake Creek above Bull Lake. 

South Fork Spread Creek near Moran (13012475) streamgage

Leidy Creek near Moran (13012465) streamgage

Drainage area contributing to Big Creek below Lookout Creek, near Apgar

Finishing up water-quality sampling on Blacks Fork, the last field run of the summer for two of our interns.

Streamflow training at Blackrock Creek below Split Rock Creek near Moran, Wyoming. A new student intern learns how to measure streamflows upon arriving in Riverton just in time for high water.

Dragon’s Mouth in the Mud Volcano Area of Yellowstone National Park.

Measuring streamflow in Little Snake River near Dixon, Wyoming. Streamflows were quite a bit lower than the 75-year average.

An ADCP is used to measure streamflow from a bridge near Kelly, Wyoming. Even with smoke making the view hazy, the Tetons never fail to make measuring streamflow in the Gros Ventre a treat.

Mushroom Pool, Lower Geyser Basin, Yellowstone National Park.

100 Spring Plain in Norris Geyser Basin, Yellowstone National Park.  The area is frequently flooded and impassable. Photo taken by Lauren Harrison in August 2018.