This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Chicago map by Union News. Map Union News Company Boston Mass creator Rand McNally and Company harvard edu func findb findcode SYS request Harvard Map Collection PDold map date Chicago not given warp status Union News Company Boston Mass print date accession number cm other versions maps Old maps of Chicago Chicago in the