Notations from General Land Office Survey notes: 1866, 1988; Topographic base map from USGS 7.5-minute quadrangle; Produced by U.S. Geological Survey 1988, revised by USDA Forest Service 1998; NIMA 1768 IV NW-SERIES V892
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GLO survey notes, Sprague River East quadrangle, Oregon--Klamath Co.