
Calder serves as the central hub of this northern Idaho landscape, situated along the banks of the St Joe River. The settlement's infrastructure in the 1990s is anchored by the river, featuring a Gaging Station and a Heliport to support local operations within the St Joe National Forest. The geography is defined by sharp elevation changes, rising from the river valley to prominent heights at Trout Point, Spooky Butte, and Billy Goat Hill. An Old Railroad Grade follows the river's northern bank, tracing the historical transportation corridor through this timber-rich region of Shoshone County. Numerous drainages like Trout Creek and Mica Creek feed into the main waterway, illustrating the intricate watershed that has shaped the local industry and settlement patterns for decades.
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This is the sole edition of this map. No revisions or reprints were ever made.
1950 · Twin Crags
USGS Topo · 1:24,000
1952 · Twin Crags
USGS Topo · 1:24,000
1955 · Spokane
USGS Topo · 1:250,000
1957 · Calder
USGS Topo · 1:62,500
1957 · St. Joe
USGS Topo · 1:62,500
1958 · Spokane
USGS Topo · 1:250,000
1961 · Fernwood
USGS Topo · 1:62,500
1969 · Marble Mountain
USGS Topo · 1:24,000
1969 · Huckleberry Mtn
USGS Topo · 1:24,000
1981 · St Maries
USGS Topo · 1:100,000