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The historic Channahon Lock Number 7 on the I & M canal in morthern Illinois.
Aerial view of Waterway Locks
Mammoth Spring SP - Dam & Pool - 1998. Scanned from Kodachrome 64 slide.
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.
Dorset - VT - Oct 8, 2022 Landscape view of the historic Dorset Marble Quarry. The quarry closed after a century of use and is now a popular swimming hole.
Bollène lock on the River Rhône with its guillotine gates open. One of the deepest locks in Europe - has a rise of at least 23 meters. France.
The oldest marble quarry in the United States dating back to 1785 is located in the beautiful town of Dorset, Vermont.
Tug boat pushing barges loaded with coal on a river with train nearby.For similar images:
The C and O Canal Trail At Lock 69 with Water Spilling out of the Dam Surrounded by Forest
Red Flag Canal, Linzhou City, Anyang City, Henan Province.\nRed Flag Canal, national AAAAA level tourist attractions, national key cultural relics protection units.\nIn the 1960s, the people of Linzhou City, under extremely difficult conditions, built a water conservancy project from the mountainside of Taihang that shocked the whole country and was called \
Fort Hunter, NY - 6/3/13: Erie Canal lock structure in the Canal at Fort Hunter, NY.
Aerial View of Lift Lock
Canal 3
Ontario, Canada.
Looking down the historic I and M Canal at Lock 14 in LaSalle, Illinois.
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.
Father and three children standing on a lookout structure looking at a very deep granite quarry pond.
The oldest marble quarry in the United States dating back to 1785 is located in the beautiful town of Dorset, Vermont.
Peterborough, Canada.
Roaring River State Park, Missouri USA July 2, 2005: The spillway at Roaring River State Park near Cassville, Missouri funnels cold spring water into Roaring River, one of Missouri's cold water state parks that are stocked with rainbow trout.
Towpath along the old Chesapeake and Ohio Canal and the Winchester and Potomac Railway Bridge at Harper's Ferry Maryland and West Virginia and Virginia
Pedro Miguel locks on the Panama canal.. Panama canal transit
Ohio & Erie Canal Towpath Trail\nCuyahoga Valley National Park
Sunny Summer day landscape of a recreational trail beside the remains of a lock on the Hennepin Canal in Northern Illinois.
Aerial view of Waterway Locks
Metal scale for measuring the depth of the Seine, Paris, France
Rideau Canal locks  on river, , a UNESCO World Heritage Site, summer evening, Ottawa, Ontario, Canada . Bridge and Gatineau, Quebec in background.
An aerial of a lock at the Welland Canal, Canada
Port Hope, Canada.
Free Images: "bestof:THE DEEPEST AND BEST PRESERVED PART OF THE OHIO-ERIE CANAL IS THE DEEP LOCK, LOCATED AT DEEP LOCK QUARRY, WHICH IS... - NARA - 558010.jpg Scope and content"
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