Lock And Dam No. 9
| Use attributes for filter ! | |
| Opened | July 1937 |
|---|---|
| Catchment area | 172519 |
| Operator | United States Army Corps of Engineers |
| Construction began | 1936 |
| Impound | Upper Mississippi River |
| Date of Reg. | |
| Date of Upd. | |
| ID | 2227727 |
About Lock And Dam No. 9
Lock and Dam No. 9 is a lock and dam located near Lynxville, Wisconsin and Harpers Ferry, Iowa on the Upper Mississippi River around river mile 647. 9. The lower portion of Pool 9 was formally named Lake Winneshiek. The normal pool elevation behind the dam is 620 feet.
