
Mount Mitchell and Oak Grove Butte anchor this high-elevation terrain in Clackamas County, where the hydrological system of the Clackamas River basin dominates the geography. The landscape is defined by the convergence of numerous waterways, including the Oak Grove Fork Clackamas River, which feeds into Lake Harriet behind the Harriet Dam. This water management infrastructure, coupled with the dense network of drainage systems like Lightning Creek and Shellrock Creek, reflects the region's importance for both natural resource preservation and hydroelectric utility.
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This is the sole edition of this map. No revisions or reprints were ever made.
1916 · Estacada
USGS Topo · 1:125,000
1924 · Mount Hood
USGS Topo · 1:125,000
1927 · Mount Hood
USGS Topo · 1:125,000
1927 · Mt. Jefferson
USGS Topo · 1:125,000
1929 · Mill City
USGS Topo · 1:125,000
1930 · Mt. Jefferson
USGS Topo · 1:125,000
1948 · Vancouver
USGS Topo · 1:250,000
1950 · Vancouver
USGS Topo · 1:250,000
1950 · Vancouver
USGS Topo · 1:250,000
1953 · Salem
USGS Topo · 1:250,000