Negative blue line print. Shows area bounded on the east by the Chicago River, on the west by Sacramento Blvd., on the south by Kinzie Ave., and on the north by Armitage Ave.; Scale [ca. 1:8,000]; photocopy; Master and use copy. Digital master created according to Benchmark for Faithful Reproductions of Monographs and Serials, Version 1. Digital Library Federation, December 2002.
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