The Skagit River meanders across the northern portion of this landscape, carving the Skagit Valley and creating Skiyou Island. Along the southern bank, the Skagit River Bridge connects to the industrial and residential outskirts of Sedro-Woolley. Moving south from the river, the terrain transitions into a complex water-management system defined by the Judy Reservoir and several dams. This area highlights the intersection of natural hydrology and human engineering, as seen in the clustered water bodies like Mud Lake and Clear Lake, where the Clearlake Post Office and Clear Lake Cemetery serve the local community.
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This is the sole edition of this map. No revisions or reprints were ever made.
1911 · Mount Vernon
USGS Topo · 1:125,000
1918 · Samish Lake
USGS Topo · 1:62,500
1921 · Wickersham
USGS Topo · 1:62,500
1940 · Mt Vernon
USGS Topo · 1:62,500
1943 · Mt Vernon
USGS Topo · 1:62,500
1944 · Clear Lake
USGS Topo · 1:62,500
1951 · Wickersham
USGS Topo · 1:62,500
1952 · Alger
USGS Topo · 1:24,000
1954 · Samish Lake
USGS Topo · 1:62,500
1956 · Clear Lake
USGS Topo · 1:62,500