525 N. Water St., Keokuk, Iowa. County/parish: Lee.
Added to the National Register of Historic Places March 10, 2004. NRIS 04000179.
7 contributing buildings. 12 contributing structures. 1 contributing object.Also known as:
Lock and Dam No. 19 is a lock and dam located on the Upper Mississippi River near Keokuk, Iowa. In 1978, the Keokuk Lock and Dam was listed in the National Register of Historic Places, #78001234. 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 the mid-nineteenth century. Efforts began in 1837 to address the Mississippi's 2 ft 6 in (76 cm) depth in the rapids to improve navigability upriver.
(read more...)National Park Service documentation: https://catalog.archives.gov/id/28891315