Images

Professional Headshot of Brent Heerspink taken at Michigan State University in the summer of 2019.

Collecting a sediment core with the freezing drive shoe technology on a hollow stem auger drill rig at Bemidji oil spill site.

Groundwater sampling along the north well transect at the Bemidji site.

Group photo of USGS Bemidi oil spill research team meeting in June of 2019 at Ruttgers Birchmont Lodge in Bemidji, MN.

South Flume (USGS Station ID: 413611087201301) surrounded by native plant species, including salt-tolerant blue iris, planted in the Gary City Hall rain garden, Indiana.

Scientist in field assessing soil sampling locations at the Badger Army Ammunition Plant site in Sauk County, WI.

WWG Reading on the Wild Rice River in Minnesota during record Midwest flooding in spring 2019.

USGS scientist Joel Stokdyk collects a homeowner water sample in April 2019.

A storm drain that periodically discharges urban runoff, potentially carrying sediment and pollutants, into Oak Creek at 15th Avenue near a USGS gage.

USGS hydrologist Erich Kessler prepares to measure the stream stage (the height of the water surface) of the Middle Fork Crow River near Spice, Minnestota.

Chippewa Dunes Multibeam Survey downstream of Durand bridge.

Bank erosion along an upstream reach of the Kinnickinnic River, October 2018.

Scientists collecting water samples for mercury isotope analysis in the Mobile River, Alabama.

Two single-frequency ADVMs mounted to Durand bridge.

Two white-tailed bucks (deer) looking at the camera at Lake of the Ozarks, Missouri.

Close-up view of defined area of a rock cobble (middle) where attached algae and other material were removed with a brush. Rocks from multiple locations at a site are composited into a single sample representing the stream site.

Panoramic view of scientists in boat on Hells Canyon Reservoir, Idaho

After collection, invertebrates are washed through a series of sieves where large debris can be removed before being placed in the sample bottle.

USGS scientist removing attached algae from a defined surface area on one of multiple rocks collected in riffles at a stream site.

USGS scientist collecting one of five subsamples of aquatic invertebrates from a stream riffle by removing invertebrates from a defined area and collecting them with a Surber net. Each subsample is transferred to a bucket for compositing into a single sample for the site.

Scenic view while preparing to launch boats at Anderson Ranch, at the Anderson Reservoir, Idaho.