Enlarged Double Lock No. 33 Old Erie Canal
Encyclopedia
Enlarged Double Lock No. 33 Old Erie Canal is a historic Erie canal
lock
located at St. Johnsville
in Montgomery County, New York
. It was built in 1824 and enlarged in 1840. The south lock was enlarged in 1888. It is built entirely of large cut limestone
blocks mortared with hydraulic cement
. Lock 33 fell into disuse after the opening of the New York State Barge Canal in 1918. Since 1997, it has been reclaimed and restored by local volunteers.
It was added to the National Register of Historic Places
in 2002.
Erie Canal
The Erie Canal is a waterway in New York that runs about from Albany, New York, on the Hudson River to Buffalo, New York, at Lake Erie, completing a navigable water route from the Atlantic Ocean to the Great Lakes. The canal contains 36 locks and encompasses a total elevation differential of...
lock
Lock (water transport)
A lock is a device for raising and lowering boats between stretches of water of different levels on river and canal waterways. The distinguishing feature of a lock is a fixed chamber in which the water level can be varied; whereas in a caisson lock, a boat lift, or on a canal inclined plane, it is...
located at St. Johnsville
St. Johnsville (village), New York
St. Johnsville is a village in Montgomery County, New York, United States. The population was 1,685 at the 2000 census. The name is derived from Alexander St. John, an early surveyor and commissioner....
in Montgomery County, New York
Montgomery County, New York
As of the census of 2000, there were 49,708 people, 20,038 households, and 13,104 families residing in the county. The population density was 123 people per square mile . There were 22,522 housing units at an average density of 56 per square mile...
. It was built in 1824 and enlarged in 1840. The south lock was enlarged in 1888. It is built entirely of large cut limestone
Limestone
Limestone is a sedimentary rock composed largely of the minerals calcite and aragonite, which are different crystal forms of calcium carbonate . Many limestones are composed from skeletal fragments of marine organisms such as coral or foraminifera....
blocks mortared with hydraulic cement
Cement
In the most general sense of the word, a cement is a binder, a substance that sets and hardens independently, and can bind other materials together. The word "cement" traces to the Romans, who used the term opus caementicium to describe masonry resembling modern concrete that was made from crushed...
. Lock 33 fell into disuse after the opening of the New York State Barge Canal in 1918. Since 1997, it has been reclaimed and restored by local volunteers.
It was added to the National Register of Historic Places
National Register of Historic Places
The National Register of Historic Places is the United States government's official list of districts, sites, buildings, structures, and objects deemed worthy of preservation...
in 2002.