United States, California, Lake County, Lake County: Mayacmas Mountains. Highland Cr. About 4 miles from reservoir. (Exact location unknown. Coordinates estimated by label maker. Note by label maker: 4 miles from Highland Springs Reservoir is not in Section 36, maybe Neilson meant 0.4 mile?)
38.930556 -122.918889 +-500m. WGS84
SE 1/4 Section 36, T13N, R10W; 38° 55m 50s N; 122° 55m 8s W