This historical map portrays the area of Troy Mills in 2018, primarily covering Troy Mills. Featuring a scale of 1:24,000, this map provides a highly detailed snapshot of the terrain, roads, buildings, counties, and historical landmarks in the Troy Mills region at the time. Published in 2018, it is the sole known edition of this map.
This is the sole edition of this map. No revisions or reprints were ever made.
1888 · Shellsburg
USGS Topo · 1:62,500
1888 · Marion
USGS Topo · 1:62,500
1889 · Marion
USGS Topo · 1:62,500
1889 · Shellsburg
USGS Topo · 1:62,500
1899 · Shellsburg
USGS Topo · 1:62,500
1903 · Winthrop
USGS Topo · 1:125,000
1959 · Dubuque
USGS Topo · 1:250,000
1961 · Dubuque
USGS Topo · 1:250,000
1962 · Dubuque
USGS Topo · 1:250,000
1968 · Central City
USGS Topo · 1:24,000