This historical map portrays the area of Sonora in 2020, primarily covering Summit Township as well as portions of Oswald, Sonora, and Fairmount Township. 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 Sonora region at the time. Published in 2020, it is the sole known edition of this map.
This is the sole edition of this map. No revisions or reprints were ever made.
1904 · Wahpeton
USGS Topo · 1:125,000
1915 · White Rock
USGS Topo · 1:62,500
1917 · New Effington
USGS Topo · 1:62,500
1918 · White Rock
USGS Topo · 1:62,500
1953 · Milbank
USGS Topo · 1:250,000
1953 · Fargo
USGS Topo · 1:250,000
1956 · Fargo
USGS Topo · 1:250,000
1958 · Milbank
USGS Topo · 1:250,000
1964 · Fairmount NW
USGS Topo · 1:24,000
1964 · Hankinson SE
USGS Topo · 1:24,000