Illinois historical topo maps: X
1 historical topo maps of Illinois whose names start with X. These are the USGS 15-minute (1:62,500) quadrangles from the mid-1900s: old roads, mines, homesteads, rail lines and place names that newer maps leave off.
1 historical topo maps of Illinois whose names start with X. These are the USGS 15-minute (1:62,500) quadrangles from the mid-1900s: old roads, mines, homesteads, rail lines and place names that newer maps leave off.