This historical map portrays the area of Silcott Island in 2020, primarily covering Alpowa as well as portions of Silcott and Moses. 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 Silcott Island 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.
1910 · Pullman
USGS Topo · 1:125,000
1943 · Peola
USGS Topo · 1:62,500
1945 · Clarkston
USGS Topo · 1:62,500
1946 · Peola
USGS Topo · 1:62,500
1948 · Clarkston
USGS Topo · 1:62,500
1955 · Pullman
USGS Topo · 1:250,000
1958 · Pullman
USGS Topo · 1:250,000
1964 · Colton
USGS Topo · 1:24,000
1964 · Bishop
USGS Topo · 1:24,000
1964 · Uniontown
USGS Topo · 1:24,000