
Agricultural prairies and small rural hubs define this landscape in the southern reaches of the Willamette Valley. The community of Yoder serves as a central point, surrounded by extensive farm tracts like Gribble Prairie, Marks Prairie, and Elliott Prairie. Water management for this productive land is visible through numerous reservoirs, including Kern Reservoir, Kyllo Reservoir, and the Aamodt Dairy Reservoir. The map reveals a high density of historical religious and community sites, evidenced by a large concentration of cemeteries reflecting diverse local heritages, such as the Norwegian Cem, Zion Mennonite Cem, and the Aurora IOOF Cem. Small airfields like Compton Airport, Workman AirPark, and Lenhardt Airpark are interspersed among the fields, highlighting the role of private aviation in this rural corridor. Regional transit is anchored by Or 99e in the northwest, while the Molalla River and Milk Creek carve through the northeastern corner near Lone Elder.
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This is the sole edition of this map. No revisions or reprints were ever made.
1914 · Oregon City
USGS Topo · 1:62,500
1916 · Tualatin
USGS Topo · 1:62,500
1923 · Mount Angel
USGS Topo · 1:62,500
1939 · Molalla
USGS Topo · 1:62,500
1939 · Oregon City
USGS Topo · 1:62,500
1939 · Tualatin
USGS Topo · 1:62,500
1940 · Tualatin
USGS Topo · 1:62,500
1940 · Molalla
USGS Topo · 1:62,500
1940 · Mount Angel
USGS Topo · 1:62,500
1941 · Oregon City
USGS Topo · 1:62,500