Castle of World

Plaquemine Lock State Historic Site

Plaquemine Lock State Historic Site, located in Plaquemine, Louisiana, commemorates an early example of hydraulic engineering design and the historic

cc-by-sa-3.0 Author: Z28scrambler cc-by-sa-3.0 Author: Z28scrambler cc-by-sa-3.0 Author: Z28scrambler

Pinkhill Lock

Pinkhill Lock is a lock on the River Thames in England. It is close to Farmoor, Oxfordshire. The first lock was built of stone by Daniel Harris for th

cc-by-sa-2.0 Author: Pierre Terre cc-by-sa-2.0 Author: Rod Allday cc-by-sa-2.0 Author: Rod Allday

Penton Hook Lock

Penton Hook Lock is the sixth lowest lock of forty four on the non-tidal reaches of the River Thames in England. It faces an island which was until it

cc-by-sa-2.0 Author: Ruth Sharville cc-by-sa-3.0 Author: Motmit cc-by-sa-2.0 Author: Dr Neil Clifton

Osney Lock

Osney Lock is a lock on the River Thames in Oxford, England, where the village or island of Osney is next to the river. The first lock was built of st

cc-by-sa-2.0 Author: Derek Harper cc-by-sa-2.0 Author: Bill Nicholls cc-by-sa-2.0 Author: Peter Jordan

Old Windsor Lock

Old Windsor Lock is a lock on the River Thames in England on the right bank beside Old Windsor, Berkshire. The lock marks the downstream end of the Ne

cc-by-sa-2.0 Author: Graham Horn cc-by-sa-2.0 Author: Basher Eyre cc-by-sa-2.0 Author: Basher Eyre

Netham Lock

Netham Lock (grid reference ST616727) is the point at Netham in Bristol at which boats from the River Avon, acting as part of the Kennet and Avon Cana

cc-by-sa-3.0 Author: mattbuck (category) cc-by-sa-3.0 Author: mattbuck (category) cc-by-sa-2.0 Author: Philip Halling

Meeker Island Lock and Dam

The Meeker Island Lock and Dam (originally known as Lock and Dam No. 2) was the first lock and dam facility built on the Upper Mississippi River. Aft

cc-by-sa-3.0 Author: Ryanjcole at English Wikipedia cc-by-sa-3.0 Author: McGhiever

Marsh Lock

Marsh Lock is a lock and weir situated on the River Thames in England near Henley-on-Thames, Oxfordshire. The lock is close to the Berkshire bank, but

cc-by-sa-3.0 Author: Nancy cc-by-sa-2.0 Author: Graham Horn cc-by-sa-3.0 Author: Motmit

Marlow Lock

Marlow Lock is a lock and weir situated on the River Thames in the town of Marlow, Buckinghamshire, England. The first pound lock was built by the Tha

cc-by-sa-3.0 Author: Motmit cc-by-sa-3.0 Author: Motmit cc-by-sa-3.0 Author: Motmit

Mapledurham Lock

Mapledurham Lock is a lock and weir situated on the River Thames in England. The lock was first built in 1777 by the Thames Navigation Commissioners a

cc-by-sa-2.0 Author: Graham Horn cc-by-sa-2.0 Author: Graham Horn cc-by-sa-2.0 Author: Tim Glover

Lower Monumental Dam

Lower Monumental Lock and Dam is a hydroelectric, concrete, run-of-the-river dam in the northwest United States. Located on the Snake River, it bridge

pd Author: Benjamin Sandford, NOAA/NMFS/NWFSC/FED/PF. cc-by-2.0 Author: Bonneville Power cc-by-2.0 Author: Bonneville Power

Little Goose Dam

Little Goose Lock and Dam is a hydroelectric, concrete, run-of-the-river dam in Columbia and Whitman counties in the state of Washington, on the Snake

cc-by-sa-3.0 Author: Kmusser

King's Norton Stop Lock

Kings Norton Stop Lock (grid reference SP055794) is a Grade II* listed building at Kings Norton Junction on the Stratford-upon-Avon Canal near its jun

cc-by-sa-2.0 Author: Roger Kidd cc-by-sa-2.0 Author: Roger Kidd cc-by-sa-2.0 Author: Roger Kidd

Kentish Town Lock

Kentish Town Lock is a lock on the Regent's Canal, in the London Borough of Camden. The nearest London Underground station is Camden Town on the North

cc-by-sa-3.0 Author: Mark Ahsmann cc-by-2.0 Author: Tony Hisgett from Birmingham, UK cc-by-sa-3.0 Author: Photograph by Clem Rutter, Rochester, Kent. (www.clemrutter.net). See below

Jesus Lock

Jesus Lock is a lock on the River Cam in the north of central Cambridge, England. This is Lock No. 1 on the navigable portion of the River Cam. It was

cc-by-sa-2.0 Author: Peter Church cc-by-sa-2.0 Author: Martin John Bishop