Dam

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Allegheny River Lock and Dam No. 2 (Allegheny County, Pennsylvania)
Allegheny River Lock and Dam No. 3 (Allegheny County, Pennsylvania)
Allegheny River Lock and Dam No. 4 (Allegheny County, Pennsylvania)
Allegheny River Lock and Dam No. 6 (Armstrong County, Pennsylvania)
Allegheny River Lock and Dam No. 7 (Armstrong County, Pennsylvania)
Allegheny River Lock and Dam No. 9 (Armstrong County, Pennsylvania)
Allegheny River Lock and Dam No.8 (Armstrong County, Pennsylvania)
Allegheny River Locka and Dam No. 5 (Armstrong County, Pennsylvania)
Arrowrock Dam (Boise County, Idaho)
Ash Fork Steel Dam (Coconino County, Arizona)
Ashland Dam and Spillway (Middlesex County, Massachusetts)
Austin Dam (Potter County, Pennsylvania)
Bailey's Dam Site (Rapides Parish, Louisiana)
Barber Dam and Lumber Mill (Ada County, Idaho)
Barker Dam (Riverside County, California)
Beaver Lake Dam (Skagway-Hoonah-Angoon Census Area, Alaska)
Belle Fourche Dam (Butte County, South Dakota)
Boca Dam (Nevada County, California)
Bonneville Dam (Multnomah County, Oregon)
Dam and Lock
Brown's Lock and Mill Dam #1 (Warren County, Kentucky)
Navigational lock and low level dam on Big Barren River
Buffalo Bill Dam (Park County, Wyoming)
Cascades Dam (Macomb County, Michigan)
Remains of a breached dam
Coolidge Dam (Unspecified county, Arizona)
Crane Lake Dam (Iron County, Missouri)
Dam and spillway on Crane Pond Creek
Crystal Falls Dam and Power Plant (Iron County, Michigan)
Davis Island Lock and Dam Site (Allegheny County, Pennsylvania)
Derby Diversion Dam (Storey County, Nevada)
Diversion Dam and Deer Flat Embankments (Unspecified county, Idaho)
Ellsworth Power House and Dam (Hancock County, Maine)
Enloe Dam and Powerplant (Okanogan County, Washington)
Fish Creek Dam (Blaine County, Idaho)
Fort Peck Dam (Valley County, Montana)
Framingham Reservoir No. 1 Dam and Gatehouse (Middlesex County, Massachusetts)
Framingham Reservoir No. 2 Dam and Gatehouse (Middlesex County, Massachusetts)
Framingham Reservoir No. 3 Dam and Gatehouse (Middlesex County, Massachusetts)
Frankfort Dam (Waldo County, Maine)
Fullerton Dam (Jackson County, Oklahoma)
Georgetown Reservoir (Vermilion County, Illinois)
Grand Valley Diversion Dam (Mesa County, Colorado)
Great Stone Dam (Essex County, Massachusetts)
Green River Crib Dam (Windham County, Vermont)
Green River Lock and Dam #4 (Butler County, Kentucky)
Ruined Navigational Lock and Facilities of the Green River Slackwater System
Greenwood Lake Dam (Huntingdon County, Pennsylvania)
Halfway Lake Dam (Union County, Pennsylvania)
Hopkinton Dam and Spillway (Middlesex County, Massachusetts)
Keokuk Lock and Dam (Lee County, Iowa)
Lake Cochituate Dam (Middlesex County, Massachusetts)
Lake Hamilton Dam (Mahoning County, Ohio)
Lake Overholser Dam (Oklahoma County, Oklahoma)
Dam with walkway across the North Canadian River in Oklahoma City
Lake Tahoe Dam (Placer County, California)
Lime Springs Mill Complex (Howard County, Iowa)
Lock and Dam No. 2 (Hennepin County, Minnesota)
Lock No. 30 and Feeder Dam (Summit County, Ohio)
Lockville Dam, Canal and Powerhouse (Chatham County, North Carolina)
Mayo's Bar Lock and Dam (Floyd County, Georgia)
Medina Dam (Medina County, Texas)
Menasha Dam (Winnebago County, Wisconsin)
Minidoka Dam and Power Plant (Minidoka County, Idaho)
Mitchell Powerhouse and Dam (Mitchell County, Iowa)
Montserrat Recreation Demonstration Area Dam and Spillway (Johnson County, Missouri)
Mountain Dell Dam (Salt Lake County, Utah)
Mystic Dam (Middlesex County, Massachusetts)
Oak Creek Dam (Garfield County, Utah)
Ohio River Lock and Dam No. 31 Grounds and Buildings (Lewis County, Kentucky)
Okanogan Project: Conconully Resevoir Dam (Okanogan County, Washington)
Old Croton Dam, Site of (Westchester County, New York)
Old Mission Dam (San Diego County, California)
Osage Mills Dam (Benton County, Arkansas)
Ouachita River Lock and Dam No. 8 (Calhoun County, Arkansas)
Pathfinder Dam (Natrona County, Wyoming)
Pennsylvania Canal Guard Lock and Feeder Dam, Raystown Branch (Huntingdon County, Pennsylvania)
Rapidan Dam Canal of the Rappahannock Navigation (Spotsylvania County, Virginia)
Redridge Steel and Log Dams (Houghton County, Michigan)
Roaring River State Park Dam/Spillway (Barry County, Missouri)
Round Lake Logging Dam (Price County, Wisconsin)
Saffold Dam (Guadalupe County, Texas)
Silver Lake Dam (Sullivan County, New York)
Silver Mine Dam (Madison County, Missouri)
Breached stone dam over the St. Francis River
Sloat's Dam and Mill Pond (Rockland County, New York)
Theresa Dam Site (Washington County, Wisconsin)
Parkland on former site of Lake Theresa
Tygart River Reservoir Dam (Taylor County, West Virginia)
Tyler Hydraulic-Fill Dam (Smith County, Texas)
Varney's Falls Dam (Botetourt County, Virginia)
Walnut Canyon Dam (Coconino County, Arizona)
Wilson Dam (Colbert County, Alabama)
Wilson Dam (Lauderdale County, Alabama)
A dam spanning the Tennessee River between Lauderdale County and Colbert County, Alabama.
Winchester Dam (Douglas County, Oregon)
Winnibigoshish Lake Dam (Unspecified county, Minnesota)
Yamhill River Lock and Dam (Yamhill County, Oregon)