
Glenbrook and the surrounding timberlands of the Coast Range are defined by the industry and terrain of the Alsea River S Fork drainage. In the northern reaches of the quadrangle, the presence of the Hull-Oakes Log Pond and Glenbrook Log Pond highlights the region's enduring connection to logging operations. The landscape is marked by significant elevations like Green Peak and Walters Mtn, while the Alsea River S Fork and its tributaries, including Hammer Cr and Hawley Cr, carve through the deep canyons.
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This is the sole edition of this map. No revisions or reprints were ever made.
1909 · Elmira
USGS Topo · 1:62,500
1911 · Monroe
USGS Topo · 1:31,680
1911 · Inavale
USGS Topo · 1:31,680
1922 · Monroe
USGS Topo · 1:62,500
1922 · Elmira
USGS Topo · 1:62,500
1939 · Monroe
USGS Topo · 1:62,500
1941 · Blachly
USGS Topo · 1:62,500
1942 · Alsea
USGS Topo · 1:62,500
1942 · Elmira
USGS Topo · 1:62,500
1942 · Blachly
USGS Topo · 1:62,500