1. Map of the states of Ohio Indiana & Illinois and part of Michigan territory Michigan State University Public content 1925. Young, J. H. (James Hamilton), Vance, D. H. (David H.), and Finley, A. (Anthony). Extent: 1 map | Notes: Prime meridian: Washington D.C.|Includes statistical data for each state. | Scale approximately 1:2,000,000. Published by A. Finley.