This historical map portrays the area of Blackhorse Canyon in 2011, primarily covering Blackhorse Canyon. 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 Blackhorse Canyon 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.
1927 · Chewelah
USGS Topo · 1:125,000
1930 · Chewelah
USGS Topo · 1:125,000
1948 · Hunters
USGS Topo · 1:62,500
1950 · Hunters
USGS Topo · 1:62,500
1950 · Inchelium
USGS Topo · 1:62,500
1954 · Okanogan
USGS Topo · 1:250,000
1958 · Okanogan
USGS Topo · 1:250,000
1958 · Sandpoint
USGS Topo · 1:250,000
1963 · Sandpoint
USGS Topo · 1:250,000
1965 · Empey Mountain
USGS Topo · 1:24,000