This historical map portrays the area of Purdum NW in 2011, primarily covering Cascade. 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 Purdum NW region at the time. Published in 2011, it is the sole known edition of this map.
This is the sole edition of this map. No revisions or reprints were ever made.
1948 · Seneca 4
USGS Topo · 1:62,500
1949 · Seneca 4
USGS Topo · 1:62,500
1949 · Purdum
USGS Topo · 1:62,500
1949 · Long Lake
USGS Topo · 1:62,500
1951 · Long Lake
USGS Topo · 1:62,500
1951 · Purdum
USGS Topo · 1:62,500
1951 · Brownlee
USGS Topo · 1:62,500
1957 · Valentine
USGS Topo · 1:250,000
1959 · Valentine
USGS Topo · 1:250,000
1985 · Long Lake SE
USGS Topo · 1:24,000