
The North Santiam River flows along the southern edge of this region, anchoring the communities of Mill City and Gates during the early 21st century. The map details the transition from these riverfront settlements into the steep forest land of the Cascades, where the Little North Santiam River carves through Elkhorn Valley toward the northeast. This area is characterized by a dense network of forest roads like North Fork Rd SE and Gates Hill Rd SE that navigate the high ridges of Sweet Spring Mountain and Lookout Mountain. Local infrastructure is captured through the locations of the Mill City Post Office and the Gates Post Office, while recreational and community sites such as Camp Cascade and The Maples Safety Rest Area appear along the primary transit corridors. The many tributary creeks, including Sinker Creek and Bear Creek, illustrate the complex drainage patterns of this timber-rich landscape.
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This is the sole edition of this map. No revisions or reprints were ever made.
1929 · Mill City
USGS Topo · 1:125,000
1951 · Lyons
USGS Topo · 1:62,500
1951 · Snow Peak
USGS Topo · 1:62,500
1953 · Salem
USGS Topo · 1:250,000
1954 · Salem
USGS Topo · 1:250,000
1955 · Mill City
USGS Topo · 1:62,500
1956 · Quartzville
USGS Topo · 1:62,500
1960 · Salem
USGS Topo · 1:250,000
1962 · Salem
USGS Topo · 1:250,000
1963 · Salem
USGS Topo · 1:250,000