The divide of the Cascade Range is clearly delineated where Stampede Pass crosses the boundary between the Wenatchee National Forest and Snoqualmie National Forest. This high-altitude corridor serves as a critical transit point, evidenced by the presence of the Stampede Tunnel and the Lake Keechelus Snowshed Tunnel, which facilitate passage for the rail line through the high-elevation terrain. Small settlements such as Whittier, Martin, and Stampede are positioned along this vital transport route, reflecting the legacy of railroad operations in the mountains.
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1901 · Snoqualmie Pass
USGS Topo · 1:125,000
1903 · Snoqualmie
USGS Topo · 1:125,000
1957 · Wenatchee
USGS Topo · 1:250,000
1961 · Snoqualmie Pass
USGS Topo · 1:62,500
1961 · Easton
USGS Topo · 1:62,500
1961 · Kachess Lake
USGS Topo · 1:62,500
1962 · Lester
USGS Topo · 1:62,500
1975 · Snoqualmie Pass
USGS Topo · 1:100,000
1989 · Easton
USGS Topo · 1:24,000
1989 · Stampede Pass
USGS Topo · 1:24,000