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Panoramic view of a large hydro-electric dam in Pointe-Calumet
Sunny Summer day landscape of a recreational trail in a lush green forest beside the remains of a lock on the Hennepin Canal in Northern Illinois.
River cruise boat entering Lock and Dam 22 on Mississippi river
A lock on a man-made tributary diverting water from the natural river to the east  to overcome the annual variances in water depth on the river in order to maintain the shipping trade along the Mississippi River in the central United States.  This aerial view is just outside of St. Louis, Missouri on the Illinois side of the river.
Remains of Lock Number 12 on the historic I and M Canal in Ottawa, Illinois, USA.
The duckweed-covered C&O Canal, nestled within the scenic National Park in Bethesda, Maryland.
St. Catharines, Canada.
Mammoth Spring SP - Dam & Pool - 1998. Scanned from Kodachrome 64 slide.
Old Iron Bridge in Piedmont
The historic Channahon Lock Number 7 on the I & M canal in morthern Illinois.
Rideau Canal locks  on river, , a UNESCO World Heritage Site, summer evening, Ottawa, Ontario, Canada . Bridge and Gatineau, Quebec in background.
rusty historic Plaquemine gates at river lock
Marina with boats on Memphremagog lake during day of summer with railroad in foreground
Bingley Five Rise Locks on the Leeds and Liverpool canal raise the waterway 60 feet. They were built in 1774.
Port Hope, Canada.
Gallatin County, Kentucky, 2022:  A tugboat and its cargo leaves the locks and Markland Lock and Dam.
view to Chaudiere Dam in Ottawa
Starved Rock SP - Barge & Towboat Enter Lock on Illinois River
A canal along the Mississippi River  near St. Louis with locks to control the depth of the river to maintain year-round shipping capabilities from the northern states through to the Gulf of Mexico.
Sunny Summer day landscape of a recreational trail beside the remains of a lock on the Hennepin Canal in Northern Illinois.
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Lure Lake, North Carolina, USA - August 11, 2023: The flowering bridge is a volunteer community garden that is located on and at each end of decommissioned bridge.
St. Catharines, Canada.
The small old canal to Cuyahoga river at the forest at Cuyahoga Valley National Park, Ohio, USA.
Abandoned factory besides Kennebec river in Winslow, Maine, during summer day.
A shot from the top of the Albany County Rapp Rd Landfill looking out onto the the Pine Bush Preserve
Aerial view of a hydroelectric power station on the river.
The Pennyfield Lock has been restored on the C&O Canal and appears in working order except for the leakage. Otherwise, yet another C&O Canal picture in the heat of summer. But it is chained and padlocked, I mean a locked lock, couldn't resist.
St Catherine's Lock near Guildford Surrey England Europe
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