Lock and Dam No. 8

Infobox_Dam
dam_name=

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caption=Mississippi River Lock and Dam number 8.
official_name=
crosses= Upper Mississippi River
reservoir=Pool 8
locale=Genoa, Wisconsin
maint= United States Army Corps of Engineers
length=
height=
width=
began=1933
open=April 1937
closed=
reservoir_capacity=
reservoir_catchment=
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coordinates= coord|43|34|12|N|91|13|54|W|region:US_type:landmark
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Lock and Dam No. 8 is a lock and dam located near Genoa, Wisconsin on the Upper Mississippi River near river mile 679.2. It was constructed and put into operation by April 1937. The site underwent major rehabilitation from 1989 through 2003.

The dam consists of a concrete structure convert|934|ft|m|1 long with five roller gates and 10 tainter gates. The earth embankment is convert|17500|ft|m|1 long with two submersible spillways, convert|938|ft|m|1 long and convert|1338|ft|m|1 long. The lock is convert|110|ft|m|1 wide by convert|600|ft|m|1 long.

External links

* [http://www.mvp.usace.army.mil/navigation/default.asp?pageid=145&subpageid=168 USACE Lock and Dam 8]
* [http://www.umesc.usgs.gov/rivers/upper_mississippi/reach_1/pool_8/pool_8.html USGS Reach 1, Pool 8]
* [http://hdl.loc.gov/loc.pnp/hhh.wi0215 Survey number HAER WI-49 - Upper Mississippi River 9-Foot Channel, Lock & Dam No. 8, On Mississippi River near Houston County, MN, Genoa vicinity, Vernon County, WI]