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Home
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Chesapeake & Ohio Canal
Lockhouse at Lock 5, George Washington Parkway, Brookmont, Montgomery County
Lockhouse at Lock 5, George Washington Parkway, Brookmont, Montgomery County
Chesapeake & Ohio Canal
Lockhouse at Lock 7, George Washington Parkway, Glen Echo, Montgomery County
Lockhouse at Lock 7, George Washington Parkway, Glen Echo, Montgomery County

Chesapeake & Ohio Canal
Sideling Creek Aqueduct, Above Lock 56, 136.6 miles above tidewater, Hancock
Sideling Creek Aqueduct, Above Lock 56, 136.6 miles above tidewater, Hancock
Chesapeake & Ohio Canal
Waste Weir 18, 109.32 miles above tidewater, Williamsport, Washington County
Waste Weir 18, 109.32 miles above tidewater, Williamsport, Washington County

Cove Hydroelectric Development
Forebay & Diversion Dam, Cove Power Plant Road, Grace, Caribou County
Forebay & Diversion Dam, Cove Power Plant Road, Grace, Caribou County







Dr. John C. Carter's Office & Springhouse
118 West Johnson Avenue, Springdale, Washington County, AR
118 West Johnson Avenue, Springdale, Washington County, AR







J. Clark Salyer National Wildlife Refuge Dams
Along Lower Souris River, Kramer, Bottineau County, ND
Along Lower Souris River, Kramer, Bottineau County, ND
J. Clark Salyer National Wildlife Refuge
Dam 320, Along Lower Souris River, Kramer, Bottineau County
Dam 320, Along Lower Souris River, Kramer, Bottineau County
J. Clark Salyer National Wildlife Refuge
Dam 326, Along Lower Souris River, Kramer, Bottineau County
Dam 326, Along Lower Souris River, Kramer, Bottineau County
J. Clark Salyer National Wildlife Refuge
Dam 332, Along Lower Souris River, Kramer, Bottineau County
Dam 332, Along Lower Souris River, Kramer, Bottineau County
J. Clark Salyer National Wildlife Refuge
Dam 341, Along Lower Souris River, Kramer, Bottineau County
Dam 341, Along Lower Souris River, Kramer, Bottineau County
J. Clark Salyer National Wildlife Refuge
Dam 357, Along Lower Souris River, Kramer, Bottineau County
Dam 357, Along Lower Souris River, Kramer, Bottineau County

Lombard Coke Ovens
North Bank of Missouri River near Toston Dam Reser, Toston, Broadwater County, MT
North Bank of Missouri River near Toston Dam Reser, Toston, Broadwater County, MT
Louisville Water Company Pumping Stations
Zorn Avenue & River Road, Louisville, Jefferson County, KY
Zorn Avenue & River Road, Louisville, Jefferson County, KY

























Rock Island Arsenal
Building No. 53, North Avenue North of Midpoint, Rock Island, Rock Island County
Building No. 53, North Avenue North of Midpoint, Rock Island, Rock Island County

Shaker North Family Old Second House
Albany Shaker Road, Colonie Township, Watervliet, Albany County
Albany Shaker Road, Colonie Township, Watervliet, Albany County

Southern Pacific Railroad Natron Cutoff
Cruzatte Tank, Milepost 545.4, McCredie Springs, Lane County
Cruzatte Tank, Milepost 545.4, McCredie Springs, Lane County














Watervliet Arsenal
Building No. 22, Westervelt Avenue & Buffington Street, Watervliet, Albany County
Building No. 22, Westervelt Avenue & Buffington Street, Watervliet, Albany County

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