Banks Lake and its intricate shoreline dominate this modern landscape where the coulee floor was transformed into a massive reservoir. The residential grids of Electric City and Delano Heights sit adjacent to the lake’s eastern edge, while the town of Grand Coulee is perched further north near the essential infrastructure of the dam. The surrounding terrain is marked by prominent geological features such as Castle Rock, Eagle Rock, and Fiddle Butte, which rise above the water and canyon floors. Transportation and aviation are represented by the Grand Coulee Dam Airport and Rice Ranch Airport, serving this hub of the Columbia Basin. To the south, smaller water bodies like Osborn Bay Lake, Northrup Lake, and Fish Lake appear within the protected corridor of the canyon, while Wallace Canyon cuts into the high ground to the northeast, illustrating the dramatic elevation changes that characterize this part of Grant and Douglas counties.
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This is the sole edition of this map. No revisions or reprints were ever made.
1948 · Grand Coulee Dam
USGS Topo · 1:62,500
1950 · Grand Coulee Dam
USGS Topo · 1:62,500
1950 · Nespelem
USGS Topo · 1:62,500
1950 · Alameda Flat
USGS Topo · 1:62,500
1952 · Alameda Flat
USGS Topo · 1:62,500
1953 · Ritzville
USGS Topo · 1:250,000
1954 · Okanogan
USGS Topo · 1:250,000
1958 · Okanogan
USGS Topo · 1:250,000
1959 · Ritzville
USGS Topo · 1:250,000
1965 · Ritzville
USGS Topo · 1:250,000