Washington historical topo maps: I

2 historical topo maps of Washington whose names start with I. 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.

• Inchelium, WA (1950)
• Index, WA (1957)

All Washington historical topo maps