GLARO Engineering: Structures

Engineering structures designed and implemented by DU's Great Lakes/Atlantic Region engineering staff

Below is a gallery of the wetland restoration structures designed, installed and implemented by Ducks Unlimited's Great Lakes/Atlantic Regional Office engineering staff. Please click on one of the thumbnail images or structure names for a larger picture and more information.

These photos are merely a sample of the diverse work the GLARO engineers do every year. For an overview of GLARO's engineering services, please visit the GLARO Engineering homepage. For more detailed information on GLARO's restoration projects, several examples are featured on the Engineering Projects page.

If you have questions about these structures or would like to see larger images, please contact Warren Weirich at 734.623.2000.

Back Bay NWR Fishing pier
Back Bay NWR, VA
Crane Lake Six-bay sheet pile
structure

Crane Lake, IL
Erie NWR

Fixed crest structure
with beaver guard

Erie NWR, PA

Great Dismal Swamp Boardwalk
Great Dismal
Swamp NWR, VA
Lakey Pond

Concrete weir dam
Lackey Pond, MA

Montezuma Wetland Complex

Structure installation
Montezuma, NY

Linton, IN structure

Water control structure
with float cutoff

Linton, IN

Moosehorn, ME fish ladder

Six-bay structure
with fish ladder

Moosehorn, ME

Patuxent NWR

Structure retrofit with
shoreline protection

Patuxent NWR, MD

Prime Hook NWR

Ten-bay weir
gate system

Prime Hook NWR, DE

Rush Lake weir

Sheet pile weir with
water control gates

Rush Lake, WI

Spring Lake

Four-way water control
structure with gates

Spring Lake, IL



Back Bay National Wildlife Refuge, Virginia

For more information about the Back Bay NWR project, please visit our Engineering Projects page.

Back Bay NWR pier
Fishing pier with boat ramp

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Crane Lake, Illinois

Crane Lake sheet pile structure
Six-bay sheet pile structure

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Erie National Wildlife Refuge, Pennsylvania

Erie NWR structure
Fixed crest structure with beaver guard

Erie NWR beaver guard
Close-up of beaver guard

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Great Dismal Swamp National Wildlife Refuge, Virginia

Great Dismal Swamp NWR boardwalk
Boardwalk

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Lackey Pond, Massachusetts

Lackey Pond dam
Concrete weir dam

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Montezuma Wetland Complex, New York

Montezuma structure installation
Structure installation

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Linton, Indiana

Linton, IN, water control structure
Water control structure with float cutoff

Linton, IN, macro topography
Aerial of macro topography

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Moosehorn, Maine

Moosehorn, ME, structure
Six-bay structure with fish ladder - Upstream

Moosehorn, ME, fish ladder
Six-bay structure with fish ladder - Downstream

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Patuxent National Wildlife Refuge, Maryland

Patuxent NWR structure
Structure retrofit with shoreline protection

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Prime Hook National Wildlife Refuge, Delaware

Prime Hook NWR weir gate system
Ten-bay weir gate system

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Rush Lake, Wisconsin

For more information about the Rush Lake restoration project, please visit our Engineering Projects page.

Rush Lake weir
Sheet pile weir with water control gates

Rush Lake railcar bridge
Railcar bridge

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Spring Lake, Illinois

Spring Lake, IL, structure
Four-way water control structure with gates

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