Lock and Dam No.
19 is a lock and dam located on the Upper Mississippi River near Keokuk, Iowa.
In 2004, the facility was listed in the National Register of Historic Places as Lock and Dam No.
19 Historic District, #04000179 covering 1,605 acres (650 ha), 7 buildings, 12 structures, 1 object.
The lock is owned and operated by the U.S. Army Corps of Engineers.
 The dam is owned and operated by Ameren Missouri.

The lock and dam obliterated the Des Moines Rapids which had effectively been the northern barrier for traffic on the Mississippi until efforts began in 1837 to address the Mississippi's 2 ft 6 in (76 cm) depth in the rapids.
Lock and Dam No. 19 is a lock and dam located on the Upper Mississippi River near Keokuk, Iowa. In 2004, the facility was listed in the National Register of Historic Places as Lock and Dam No. 19 Historic District, #04000179 covering 1,605 acres (650 ha), 7 buildings, 12 structures, 1 object. The lock is owned and operated by the U.S. Army Corps of Engineers.  The dam is owned and operated by Ameren Missouri.
The lock and dam obliterated the Des Moines Rapids which had effectively been the northern barrier for traffic on the Mississippi until efforts began in 1837 to address the Mississippi's 2 ft 6 in (76 cm) depth in the rapids.
Lock and Dam No. 19