
Mountaindale and the intersection at Meacham Corner anchor this 2014 survey of the northwestern Tualatin Valley foothills. The landscape is defined by a dense network of water management features, including Sunago Reservoir, Bateman Reservoir, and Spaniol Reservoir, which supported the region's agricultural and rural residential needs. The terrain rises sharply from the drainage of East Fork Dairy Creek toward prominent landmarks such as Pumpkin Ridge and Bald Mtn, reflecting the transition from valley floor to the forested uplands.
74 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