Images

Black River at Elyria, OH - downstream of gage

Vermillion River near Vermillion OH - gage

Vermillion River near Vermillion OH - gage house

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

Black River at Elyria, OH - ice covered

Vermillion River near Vermillion OH - gage house floor covered in ice

Black RIver at Elyria, OH - downstream of gage

Vermillion River near Vermillion OH - ice covered stream

Vermillion River near Vermillion OH - pipes inside gage house

Black River at Elyria, OH - ice around the staff plates

Vermillion River near Vermillion OH - ice and water in gage house

Field Overgrown with Phragmites

Huron River at Milan, OH - running levels

Dr. Kurt Kowalski in a Tall Phragmites Stand. Crane Creek, USFWS Ottawa National Wildlife Refuge.

Wetland scientist Kurt Kowalski (GLSC) in a stand of Phragmites australis, or common reed, an invasive species in the Great Lakes.   Crane Creek, Ottawa National Wildlife Refuge, OH.

Big Darby Creek is near Lake Darby, Ohio. Find out about the water quality of this stream and others in the Midwest studied by the Midwest Stream Quality Assessment.

Ohio River at Olmsted IL - reference mark 1=2

As schools close for the year and summer weather beckons, many recreationalists head to the Great Lakes' public beaches. However, these coastal areas can become contaminated with disease-causing bacteria that threaten public health, disrupt water recreation, and pay a toll on the Great Lakes economies that depend on summer tourism.

Huron River at Milan, OH - upstream

Huron River at Milan, OH - downstream of gage

A sea lamprey (Petromyzon marinus), one of the most destructive invasive species in the Great Lakes. Hammond Bay Biological Station was established to develop control measures for sea lampreys and conduct research to aid native fish restoration.