Lock and Dam No. 21 Historic District
Quincy, Illinois • Adams County
Quincy, Illinois • Adams County
Lock and Dam No. 21 Historic District encompasses a significant portion of the Quincy, Illinois waterfront, featuring the lock chamber, its associated operating machinery, and the dam structure across the Mississippi River. This industrial complex represents a crucial piece of early 20th-century river navigation infrastructure.
View all 19 historic places in Quincy, Illinois
Architecture
616 N. 24th St., Quincy, Illinois
Commerce; Architecture
Roughly Bounded By Hampshire, Jersey, 4th And 8th Sts., Quincy, Illinois
Industry
613 Broadway St., Quincy, Illinois
Architecture
135-37 N 3rd St., Quincy, Illinois
Military; Politics/Government; Architecture; Social History
421 Jersey St., Quincy, Illinois
Commerce; Architecture
1601 Maine St., Quincy, Illinois
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