1868 Maps of Ionia Village
1873 Michigan State Atlas
1875 Ionia County Township Plat Maps
1875 Ionia County Atlas
1850 Skeleton Map of Michigan Railroads
1876 Map of Ionia Area Railroads
1881 Map of Portland
1891 Ionia County Atlas
1895 Ionia County Map
1906 Ionia County Atlas (Transcription of names only - No maps)
1906 Ionia County Atlas
Last Updated December 28, 2007
