South Umpqua River
Tsp. 27 S., Rng. 1 E.
1929 General Land Office Survey Index
The red line of this index indicates the watershed line between the South Umpqua and North Umpqua rivers. This forms the northern boundary of the 2010 South Umpqua Headwaters Precontact Reference Conditions Study, including the Quartz Mountain Area of Special Interest. This survey was completed in 1928 and mapped in 1929 (Draper 1928).