
Mountaindale sits at the southern edge of this landscape, where the valley floor begins to transition into the rising elevations of Pumpkin Ridge and Bald Mtn. The terrain is defined by the complex drainage of the East Fork Dairy Creek and its many tributaries, including McKay Creek and Gumm Creek. This area of Washington County is dotted with small-scale water management features such as Spaniol 32 Reservoir, Bateman Reservoir, and the Dam Site Reservoir, suggesting a history of agricultural reliance on these upland catchments.
84 named features on this map. Tap any name to fly to it.
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This is the sole edition of this map. No revisions or reprints were ever made.
1915 · Hillsboro
USGS Topo · 1:62,500
1918 · Hillsboro
USGS Topo · 1:62,500
1922 · St. Helens
USGS Topo · 1:62,500
1940 · Hillsboro
USGS Topo · 1:62,500
1940 · Vernonia
USGS Topo · 1:62,500
1941 · St Helens
USGS Topo · 1:62,500
1941 · Gales Creek
USGS Topo · 1:62,500
1943 · Vernonia
USGS Topo · 1:62,500
1943 · St Helens
USGS Topo · 1:62,500
1948 · Vancouver
USGS Topo · 1:250,000