Illinois port on the Mississippi that is home to a major government arsenal
The city is home to Rock Island Arsenal, the largest government-
owned... [DOC] [TLE] Rock Island and the Rock Island Arsenal  J. Ill. S. H. S. 33:304340 ... [PAR] Jan 25, 2015 ... Thayer's Note: A briefer summary of the arsenal's history thru the late ... Island in 
the Mississippi River, between the cities of Rock Island and .....