This historical map portrays the area of Gannvalley SE in 2015, primarily covering Crow Lake Township as well as portions of Harmony Township, Marlar Township, and Pleasant 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 Gannvalley SE region at the time. Published in 2015, it is the sole known edition of this map.
This is the sole edition of this map. No revisions or reprints were ever made.
1941 · Kimball North
USGS Topo · 1:62,500
1942 · Crow Lake
USGS Topo · 1:62,500
1951 · Kimball North
USGS Topo · 1:62,500
1953 · Huron
USGS Topo · 1:250,000
1954 · Huron
USGS Topo · 1:250,000
1955 · Mitchell
USGS Topo · 1:250,000
1959 · Mitchell
USGS Topo · 1:250,000
1973 · Gannvalley
USGS Topo · 1:24,000
1973 · Cottonwood Lake
USGS Topo · 1:24,000
1973 · Wessington Springs NW
USGS Topo · 1:24,000