Steamboat Rock and the towering Gibraltar Rock dominate the northern landscape of this Grant County corridor, flanking the waters of Banks Lake. The terrain is defined by dramatic coulees and canyons, where the Devils Punch Bowl and the steep walls of Northrup Canyon indicate a complex geological history. South of the main lake, a network of smaller water bodies including Willow Lake, Coffee Lake, and the Henning Lakes dot the interior, fed by seasonal drainages like Devils Cr and Rusho Cr.
29 named features on this map. Tap any name to fly to it.
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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
1953 · Ritzville
USGS Topo · 1:250,000
1959 · Ritzville
USGS Topo · 1:250,000
1965 · Ritzville
USGS Topo · 1:250,000
1968 · Steamboat Rock SW
USGS Topo · 1:24,000
1968 · Barker Canyon
USGS Topo · 1:24,000
1968 · Hartline
USGS Topo · 1:24,000
1968 · Steamboat Rock SE
USGS Topo · 1:24,000
1968 · Hartline NW
USGS Topo · 1:24,000