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United States, California, San Bernardino, Mojave Desert. Along top of eastern ridge of Opal Mountian. T32S R45E S08 SE1/4 of NW1/4 USGS Quadrangle: Opal Mountain 7.5', 35.163056 -117.181667, 1082m

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United States, California, Riverside, Colorado Desert; Northeastern Colorado Desert region; Along Palen Road near Hwy 177. USGS Quadrangle: Palen Pass 1:24,000, 33.91 -115.2125, 170m

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United States, California, Butte, Ca 10 air mi NE of Paradise, 1.5 mi NW of N. Fork Feather River, on ridge between Lockerman and Cedar Creeks. On steep SW-facing slope, on upper end of ridges overlooking unnamed tributary on E side of USFS Rd 24N13. T23N R05E S09 SE1/4 of SE1/4 USGS Quadrangle: Pulga 1:24,000, 39.86 -121.416389, 1122m

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United States, California, Los Angeles, Transverse Ranges; San Gabriel Mountains region: Ridgeline to Mt. Emma and canyon south of this ridge. West from Mt. Emma (northwest trending ridge, lower part of ridgeline starts to turn southwest.) East of Mt. Emma Road. Near 34.45864N, 118.08684W to 34.46310N, 118.07530W. Than dropped off ridge into canyon bottom back to origin. T4N R12W, 11wS1, 6, NE1/4 of 1, NW1/4 of 6) Alt. 1235-1413m/4052-4635 ft. General collecting started from a slight decline bench south of the ridgeline. USGS Quadrangle: Pacifico Mtn. 1:24,000, 34.460278 -118.075278, 1324m

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United States, California, Lassen, Modoc Plateau. Near top of Shaffer Mountain, southeast-facing slope, steep and very rocky with lots of outcrops of hard dark volcanic rock. T30N R14E S24 SW1/4 of NW1/4 USGS Quadrangle: Shaffer Mtn 1:24,000, 40.445833 -120.355833, 2012m

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United States, Nevada, Washoe, Great Basin, Modoc Plateau. Along Burro Mountain Road 0.2 km northeast of Smoke Creek Ranch Road; just east of Burro Creeek. T31N R18E S16 NE1/4 of NW1/4 USGS Quadrangle: Smoke Creek Ranch 1:24,000, 40.555833 -119.945, 1286m

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United States, California, Trinity, Weaverville Ranger District. About 8.5 (road) miles north of Coffee Creek Forest Service facility. Along country road 137 (both sides of road) in old river deposits. T39N R07W S34 NE1/4 of SW USGS Quadrangle: Tangle Blue, 41.196632 -122.658937, 910m

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United States, California, Lassen, E.L.B.S., 40.617285 -120.727396, 1554m

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United States, California, Lassen, Along side of road 5 about 0.2 miles from 5 Corners

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United States, California, Lassen, 2 miles west of Junction Road 536 and Highway 395 in the Great Basin.

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United States, California, Siskiyou, Klamath Ranges. Northeast end of Scott Mountains, 2.7 air-mi NNW of China Mountain; rocky ridgeline between Mountain House Creek and Crater Creek, just east of Road 41N03. TRS: T41N, R7W, ctr of se¼ of Sec. 12. China Mtn 7.5' quad., 41.412222 -122.600278, 5680m

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United States, Idaho, Owyhee, Castle Creek Road. Along road to 42.97115. 116.34564., 42.92848 -116.35077, 854m

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United States, California, Lassen, Ditch on the south side of RR Track, north side of Highway 70, 0.4 mi east of Beckwourth Pass, 3.4 miles (air) northwest of Hallelujah Junction, west edge of Long Valley. T22N, R17E, northeast ¼ Section 5., 39.791928 -120.099572, 1522m

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United States, California, Modoc, Modoc Plateau; Big Valley, Ash Creek State Wildlife Area; 8.1 air-miles northeast of Bieber, 4.0 air-mile west of Adin northern edge of Ash Creek floodplain; 0.38 mile east of Elkins Lane. Vicinity of borrow pits. T39N, R8E, 1/4 of sw 1/4 Sec. 23. Big Swamp 7.5' quad., 41.198389 -121.021269, 1269m