Lock and Dam No. 17 is a

lock Lock(s) may refer to: Common meanings *Lock and key, a mechanical device used to secure items of importance *Lock (water navigation), a device for boats to transit between different levels of water, as in a canal Arts and entertainment * ''Lock ...

and

dam A dam is a barrier that stops or restricts the flow of surface water or underground streams. Reservoirs created by dams not only suppress floods but also provide water for activities such as irrigation, human consumption, industrial use, a ...

located near

New Boston, Illinois New Boston is a city in Mercer County, Illinois, United States on the Mississippi River. The population was 683 at the 2010 census, up from 632 at the 2000 census. History New Boston was settled in the 1830s by "Yankee" migrants from Massachusett ...

on the Upper

Mississippi River The Mississippi River is the second-longest river and chief river of the second-largest drainage system in North America, second only to the Hudson Bay drainage system. From its traditional source of Lake Itasca in northern Minnesota, it f ...

near

river mile A river mile is a measure of distance in miles along a river from its mouth. River mile numbers begin at zero and increase further upstream. The corresponding metric unit using kilometers is the river kilometer. They are analogous to vehicle road ...

437. Its main lock is wide and long with its bottom at an elevation of . Normal pool elevation behind the dam is . The movable portion of the dam is long and consists of 3

roller gates Roller may refer to: Birds *Roller, a bird of the family Coraciidae * Roller (pigeon), a domesticated breed or variety of pigeon Devices * Roller (agricultural tool), a non-powered tool for flattening ground * Road roller, a vehicle for compa ...

and 8

tainter gate The Tainter gate is a type of radial arm floodgate used in dams and canal locks to control water flow. It is named for Wisconsin structural engineer Jeremiah Burnham Tainter. A side view of a Tainter gate resembles a slice of pie with the c ...

s. In 2004, the facility was listed in the

National Register of Historic Places The National Register of Historic Places (NRHP) is the United States federal government's official list of districts, sites, buildings, structures and objects deemed worthy of preservation for their historical significance or "great artistic v ...

as Lock and Dam No. 17 Historic District, #04000177 covering , 1 building, 3 structures and 2 objects. Lock and dam 17

References

External links

Lock and Dam No. 17 - U.S. Army Corps of Engineers
*
Lock 17
Buildings and structures in Louisa County, Iowa Buildings and structures in Mercer County, Illinois Dams completed in 1939 Dams in Iowa Dams on the Mississippi River 17 17 Gravity dams Historic American Engineering Record in Illinois Historic American Engineering Record in Iowa Historic districts on the National Register of Historic Places in Illinois 17 Mississippi River locks Moderne architecture in Illinois Moderne architecture in Iowa Roller dams Transport infrastructure completed in 1939 Mississippi Valley Division National Register of Historic Places in Mercer County, Illinois National Register of Historic Places in Louisa County, Iowa 17 1939 establishments in Illinois 1939 establishments in Iowa {{MercerCountyIL-NRHP-stub

See also

References

External links