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Cuyahoga River at Independence OH - left control
Cuyahoga River at Independence OH - left control
Cuyahoga River at Independence OH - left control
Cuyahoga River at Independence OH - left control

Cuyahoga River at Independence OH - left control

Cuyahoga River at Independence OH - right control
Cuyahoga River at Independence OH - right control
Cuyahoga River at Independence OH - right control
Cuyahoga River at Independence OH - right control

Cuyahoga River at Independence OH - right control

Cuyahoga River at Independence OH - upstream view
Cuyahoga River at Independence OH - upstream view
Cuyahoga River at Independence OH - upstream view
Cuyahoga River at Independence OH - upstream view

Cuyahoga River at Independence OH - upstream view

A weather radar in Indiana.
A weather radar station in Indiana.
A weather radar station in Indiana.
A weather radar station in Indiana.

NEXRAD (NEXt generation RADar) is also known as Weather Surveillance Radar, 1988 Doppler (WSR-88D). Pictured is the tower that houses the antennae inside the radome (white sphere).

NEXRAD (NEXt generation RADar) is also known as Weather Surveillance Radar, 1988 Doppler (WSR-88D). Pictured is the tower that houses the antennae inside the radome (white sphere).

Little Plover River Wells
Little Plover River Wells
Little Plover River Wells
Little Plover River Wells

Both irrigation wells and municipal wells affect water levels in the Little Plover River, Wisconsin. 

Both irrigation wells and municipal wells affect water levels in the Little Plover River, Wisconsin. 

Indiana Harbor Canal at East Chicago, IN  - ADCP measurement
Indiana Harbor Canal at East Chicago, IN - ADCP measurement
Indiana Harbor Canal at East Chicago, IN - ADCP measurement
Indiana Harbor Canal at East Chicago, IN - ADCP measurement

USGS hydrologic technician, Andrew Gorman making an ADCP boat measurement at the Indiana Harbor Canal at East Chicago, IN site.

USGS hydrologic technician, Andrew Gorman making an ADCP boat measurement at the Indiana Harbor Canal at East Chicago, IN site.

Black River at Elyria, OH - low flow
Black River at Elyria, OH - low flow
Black River at Elyria, OH - low flow
Black River at Elyria, OH - low flow

Black River at Elyria, OH - low flow

Scientist collecting an Equal Width Increment (EWI) sample
Scientist collecting an Equal Width Increment (EWI) sample
Scientist collecting an Equal Width Increment (EWI) sample
Scientist collecting an Equal Width Increment (EWI) sample

USGS scientist collecting an Equal width increment (EWI) sample on Bark River, Merton, WI.

USGS scientist collecting an Equal width increment (EWI) sample on Bark River, Merton, WI.

R/V Sturgeon leaving dock
R/V Sturgeon leaving dock at the Navy Pier in Chicago, IL
R/V Sturgeon leaving dock at the Navy Pier in Chicago, IL
R/V Sturgeon leaving dock at the Navy Pier in Chicago, IL

The R/V Sturgeon setting sail from the Navy Pier in Chicago, IL on its fall survey of Lake Michigan.  The Sturgeon is based in Cheboygan, MI at the Cheboygan Vessel Base.

The R/V Sturgeon setting sail from the Navy Pier in Chicago, IL on its fall survey of Lake Michigan.  The Sturgeon is based in Cheboygan, MI at the Cheboygan Vessel Base.

USGS scientists collecting a water sample from a well at the USGS Bemidji Research Site
USGS Scientists Collecting a Water Sample from a Well at the USGS Bemidji Research Site
USGS Scientists Collecting a Water Sample from a Well at the USGS Bemidji Research Site
USGS Scientists Collecting a Water Sample from a Well at the USGS Bemidji Research Site

U.S. Geological Survey (USGS) scientists collecting a groundwater sample from a well at the USGS Bemidji Crude-Oil Spill Research Site, Minnesota. The scientists monitored in real time the dissolved oxygen, pH, specific conductance, and temperature of the water as the well is pumped so they can know when to collect representative sample.

U.S. Geological Survey (USGS) scientists collecting a groundwater sample from a well at the USGS Bemidji Crude-Oil Spill Research Site, Minnesota. The scientists monitored in real time the dissolved oxygen, pH, specific conductance, and temperature of the water as the well is pumped so they can know when to collect representative sample.

Iceberg on Lake Superior
Iceberg on Lake Superior
Iceberg on Lake Superior
Iceberg on Lake Superior

An iceberg floating in Lake Superior, June 2014. Photographed from the R/V Kiyi.

An iceberg floating in Lake Superior, June 2014. Photographed from the R/V Kiyi.

Indiana Harbor Canal at East Chicago, IN - measurement
Indiana Harbor Canal at East Chicago, IN - ADCP boat measurement
Indiana Harbor Canal at East Chicago, IN - ADCP boat measurement
Indiana Harbor Canal at East Chicago, IN - ADCP boat measurement

Indiana Harbor Canal at East Chicago, IN - ADCP boat measurement - Cherly Silcox

Indiana Harbor Canal at East Chicago, IN - walk bridge closeup
Indiana Harbor Canal at East Chicago, IN - walk bridge closeup
Indiana Harbor Canal at East Chicago, IN - walk bridge closeup
Indiana Harbor Canal at East Chicago, IN - walk bridge closeup

Indiana Harbor Canal at East Chicago, IN - walk bridge closeup

Sea Lamprey Hammond Bay Biological Station
Sea Lamprey Hammond Bay Biological Station
Sea Lamprey Hammond Bay Biological Station
Sea Lamprey Hammond Bay Biological Station

Sea Lamprey at the Hammond Bay Biological Statioin in Millersburg, MI

Yellow River near Brems, IN - ice on the equipment
Yellow River near Brems, IN - ice on the equipment
Yellow River near Brems, IN - ice on the equipment
Yellow River near Brems, IN - ice on the equipment

Yellow River near Brems, IN - ice on the equipment

Yellow River near Brems, IN - icy conditions
Yellow River near Brems, IN - icy conditions
Yellow River near Brems, IN - icy conditions
Yellow River near Brems, IN - icy conditions

Yellow River near Brems, IN - icy conditions

Yellow River near Brems, IN - snow on the ground
Yellow River near Brems, IN - snow on the ground
Yellow River near Brems, IN - snow on the ground
Yellow River near Brems, IN - snow on the ground

Yellow River near Brems, IN - snow on the ground

Black River at Elyria, OH - upstream view of ice cover on river
Black River at Elyria, OH - upstream view of ice cover on river
Black River at Elyria, OH - upstream view of ice cover on river
Black River at Elyria, OH - upstream view of ice cover on river

Black River at Elyria, OH - upstream view of ice cover on river

Black River at Elyria, OH - downstream of gage
Black River at Elyria, OH - downstream of gage
Black River at Elyria, OH - downstream of gage
Black River at Elyria, OH - downstream of gage

Black RIver at Elyria, OH - downstream of gage

Black River at Elyria, OH - closeup of the cableway at site
Black River at Elyria, OH - closeup of the cableway at the site
Black River at Elyria, OH - closeup of the cableway at the site
Black River at Elyria, OH - closeup of the cableway at the site

Black River at Elyria, OH - closeup of the cableway at site

Black River at Elyria, OH - staff plates
Black River at Elyria, OH - staff plates
Black River at Elyria, OH - staff plates
Black River at Elyria, OH - staff plates

Black River at Elyria, OH - staff plates