Notations from General Land Office Survey notes: 1872, 1893, 1901; Topographic base map from USGS 7.5-minute quadrangle; Produced by United States Geological Survey 1985, revised by USDA Forest Service 1998; NIMA 1669 I SW-SERIES V892
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GLO survey notes, Sun Pass quadrangle, Oregon -- Klamath Co.