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Upper Midwest Water Science Center images.

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Two scientists collect a sediment core from the Root River at Grange Avenue in Greenfield, Wisconsin
Two scientists collect a sediment core from the Root River at Grange Avenue in Greenfield, Wisconsin
Two scientists collect a sediment core from the Root River at Grange Avenue in Greenfield, Wisconsin
Two scientists collect a sediment core from the Root River at Grange Avenue in Greenfield, Wisconsin

Biologist Pat Perner (USGS Upper Midwest Environmental Science Center, left) and Field Assistant Justin Peschman (UMid WSC, right) collect a sediment core from the Root River at Grange Avenue in Greenfield, Wisconsin. https://waterdata.usgs.gov/monitoring-location/04087214/

Three people working together to electroshock fish and collect in nets.
Fish shocking in Menomonee River at Wauwatosa, Wisconsin
Fish shocking in Menomonee River at Wauwatosa, Wisconsin
Fish shocking in Menomonee River at Wauwatosa, Wisconsin

Fish sampling using a backpack shocker. USGS scientists use a backpack-mounted electrofishing device to sample fish communities in the Menomonee River at Wauwatosa, WI (MENOMONEE RIVER AT WAUWATOSA, WI - USGS Water Data for the Nation), near 70th Street.

USGS scientists collecting phytoplankton for mercury and PFAS analyses in Saginaw Bay of Lake Huron​
Collecting phytoplankton for mercury and PFAS analyses in Saginaw Bay of Lake Huron​
Collecting phytoplankton for mercury and PFAS analyses in Saginaw Bay of Lake Huron​
A man and a woman in a laboratory wearing white lab coats and blue gloves preparin samples for analysis to determine bacteria
MI-BaRL scientists prepare samples for analysis to determine bacteria load and the concentration of E. coli and enterococci
MI-BaRL scientists prepare samples for analysis to determine bacteria load and the concentration of E. coli and enterococci
MI-BaRL scientists prepare samples for analysis to determine bacteria load and the concentration of E. coli and enterococci

MI-BaRL (Lansing, MI) microbiologist JC Wallace (foreground) and biologist Molly Richard (background) prepare samples for analysis to determine bacteria load and the concentration of E. coli and enterococci.

Two scientists in white lab coats preparing samples at a lab bench
Two USGS scientists preparing samples for analysis
Two USGS scientists preparing samples for analysis
Two USGS scientists preparing samples for analysis

Michigan Bacterological Research Laboratory (MI-BaRL) microbiologist JC Wallace (foreground) and biologist Molly Richard (background) prepare samples for analysis to determine bacteria load and the concentration of E. coli and enterococci.

Michigan Bacterological Research Laboratory (MI-BaRL) microbiologist JC Wallace (foreground) and biologist Molly Richard (background) prepare samples for analysis to determine bacteria load and the concentration of E. coli and enterococci.

Group of ten men standing and smiling in a garage with a sign in the background stating "safety is job #1"
USGS meeting with National Weather Service in Gladstone, Michigan
USGS meeting with National Weather Service in Gladstone, Michigan
USGS meeting with National Weather Service in Gladstone, Michigan

USGS meeting with National Weather Service at Gladstone, Michigan office garage, July 14, 2022. (From left to right: Matt Chilson, Doug Bonno, Dean Burdett, Evan Kutta, Jim Salzwedel, Jordan Wendt, Greg Sova, Chris Hoard, Matt Holmio, Ralph Haefner).

USGS meeting with National Weather Service at Gladstone, Michigan office garage, July 14, 2022. (From left to right: Matt Chilson, Doug Bonno, Dean Burdett, Evan Kutta, Jim Salzwedel, Jordan Wendt, Greg Sova, Chris Hoard, Matt Holmio, Ralph Haefner).

Swans take flight from a wetland
Swans take flight at Horicon National Wildlife Refuge
Swans take flight at Horicon National Wildlife Refuge
Swans take flight at Horicon National Wildlife Refuge

Swans take flight from a grassy island in the middle of Horicon National Wildlife Refuge on a summer day.

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