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United States, Nevada, Washoe, Great Basin. Ridge overlooking Long Valley and Vya from the west; 3 mi north of the north end of Fortynine Mountain. Upslope of jeep road along east-trending ridge line. T43N R19E S31 SE 1/4 USGS Quadrangle: Fortynine Mtn 1:24,000, 41.603056 -119.896111, 1957m

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United States, Nevada, Washoe, Great Basin. Along Dugway Road 0.8 road-km northeast of Nevada Road 8A; top of ridge between Fortynine Creek and Vya. T42N R19E S05 SW1/4 of NW1/4 USGS Quadrangle: Fortynine Mtn 1:24,000, 41.592222 -119.888333, 1902m

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United States, California, Yuba, Northern High Sierra Nevada. Plumas National Forest; 2.2 air km east of Dobbins, 360 m northeast of Marysville Road. T18N R07E S34 SW1/4 USGS Quadrangle: French Corral 1:24,000, 39.371111 -121.181111, 750m

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United States, California, Plumas, Northern High Sierra Nevada. Plumas National Forest; Happy Valley, about 6.4 air-km northeast of Cromberg; along Long Valley Creek in the southwest corner of Happy Valley (the lower corner of the meadow complex). T23N R12E S10 NW1/4 of NW1/4 USGS Quadrangle: Grizzly Valley 1:24,000, 39.878333 -120.623056, 1717m

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United States, California, Plumas, Northern High Sierra Nevada. Plumas National Forest; Happy Valley, about 6.4 air-km northeast of Cromberg; 0.5 km north of Long Valley Creek, along the dryish eastern edge of the large meadow on the northwest side of Happy Valley. T23N R12E S03 NE1/4 of SW1/4 USGS Quadrangle: Grizzly Valley 1:24,000, 39.885 -120.620278, 1746m

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United States, California, Tehama, High Cascade Range. Humboldt Summit; gentle south-facing slope just off the top. T27N R05E S32 middle of W1/2 USGS Quadrangle: Humboldt Peak 1:24,000, 40.151944 -121.437222, 2018m

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United States, California, Butte, Butte Meadows. Cascade Range High, off Hwy. 32 on Humboldt Road near Cherry Hill. USGS Quadrangle: Jonesville 1:24,000, 40.103889 -121.496944, 1524m

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United States, California, Lassen, Modoc Plateau. Along Road 26024 8.4 air-km south of Snowstorm Mountain, 0.4 road-km west of Karlo; 5.8 air-km west of Hwy 395. T31N R15E S07 NE1/4 of SE1/4 USGS Quadrangle: Karlo 1:24,000, 40.563056 -120.324722, 1372m

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United States, California, Plumas, Northern High Sierra Nevada Range; ca. 1.1 air-miles N of Taylor Lake, 0.7 air-mile E of Rattlesnake Peak, 0.3 air-mile W of Eisenheimer Peak, just east of FS Route 27N57; north-facing talus just below ridgeline. T27N R11E S24 center USGS Quadrangle: Kettle Rock 1:24,000, 40.170278 -120.730278, 2180m

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United States, California, San Bernardino, Mojave Desert; North Mojave Desert region: Southwest end of the Lava Mountains, north of Red Mountain, east of Trona Road. Just off Steam Well Road (RM1444). Just east of BM3247 and road that cuts off to Red Mountain. T29S R41E S27 NW1/4 USGS Quadrangle: Klinker Mtn. 1:24,000, 35.387778 -117.575833, 1010m

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United States, California, Plumas, Northern High Sierra Nevada. Plumas National Forest; between northwest shore of Little Grass Valley Reservoir and the road around the lake; 0.8 km west-southwest of where South Fork Feather River enters the reservoir. Lower edge of a small clearcut area in white fir dominated forest. T22N R09E S28 NW1/4 of NE1/4 USGS Quadrangle: La Porte 1:24,000, 39.736667 -121.959722, 1577m

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United States, California, Sierra, Northern High Sierra Nevada. Top of band of serpentine along Sawmill Ridge 1.0 km southeast of Delahunty Lake and 2.7 km northwest of Mt Fillmore. T22N R10E S20 SE1/4 of SE1/4 USGS Quadrangle: La Porte 1:24,000, 39.746944 -120.870278, 1901m

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United States, California, Plumas, Northern High Sierra Nevada. Plumas National Forest; Secret Diggings Gravel Pit on Illinois Ridge, 2.0 air-km south of La Porte. T21N R09E S21 NW1/4 of SE1/4 USGS Quadrangle: La Porte 1:24,000, 39.662778 -120.979167, 1476m

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United States, California, Siskiyou, High Cascade Range. Medicine Lake Highlands; Pumice Stone Mountain, at base of N-facing slope. Ca 150 ft up old Rd 43N39 (now closed) from jcn with its "A" spur, in the old roadbed. T43N R02E S14 NE1/4 of SE1/4 USGS Quadrangle: Little Glass Mtn. 1:24,000, 41.567222 -121.714444, 1951m

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United States, California, Modoc, Warner Mountains. Top of Yellow Mountain; topmost part and western edge (at the edge of a steep dropoff to the northwest). T47N R15E S01 SW1/4 of SW1/4 USGS Quadrangle: Mount Bidwell 1:24,000, 41.965556 -120.206944, 2463m

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United States, California, Plumas, Northern High Sierra Nevada. Plmas National Forest; east side of West Branch Nelson Creek, just east of the Gibsonville-Johnsville Road bridge across West Branch Nelson Creek; 2.5 air km eas of Stafford Mtn. T22N R11E S30 NW1/4 of SW1/4 USGS Quadrangle: Mt Fillmore 1:24,000, 39.736389 -120.799444, 1745m

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United States, California, Plumas, Northern High Sierra Nevada. Plumas National Forest; east side of West Branch Nelson Creek; just east of the Gibsonville-Johnsville Road bridge across West Branch Nelson Creek; 2.5 air km east of Stafford Mtn. T22N R11E S30 SW1/4 USGS Quadrangle: Mt Fillmore 1:24,000, 39.736389 -120.799444, 1745m

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United States, California, Tehama, High North Coast Ranges. Slope above Road 28N10, 1.1 km northeast of Stuart Gap. Upper minor side drainage into South Fork Beegum Creek. T28N R10W S35 SW1/4 of NW1/4 USGS Quadrangle: North Yolla Bolly 1:25,000, 40.232222 -122.966944, 1515m

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United States, California, Tehama, High Cascade Range. Moderate south-facing slopes near top of small ridge along Road 27N08 above Lower Deer Creek Falls. T27N R03E S24 SE1/4 of SE1/4 USGS Quadrangle: Onion Butte 1:24,000, 40.173889 -121.579722, 1170m

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United States, California, Glenn, Yellow Jacket Glade (?) Black Butte River Watershed; Mendocino National Forest. T22N R09W S21 NE1/4 of SW1/4 USGS Quadrangle: Plaskett Meadows, 39.744167 -122.887222, 1963m

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United States, California, Glenn, High North Coast Ranges. Along Road 22N11 at southwest end of Yellow Jacket Glade, 1.1 km south of the top of Black Butte. T22N R09W S34 USGS Quadrangle: Plaskett Meadows 1:24,000, 39.716944 -122.869444, 1706m

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United States, California, Glenn, High North Coast Ranges. Along Road 22N11 at southwest end of Yellow Jacket Glade, 1.1 km south of the top of Black Butte. T22N R09W S34 USGS Quadrangle: Plaskett Meadows 1:24,000, 39.716944 -122.869444, 1706m

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United States, California, Mendocino, Mendocino Natl. Forest-North Coast Ranges Black Butte River Watershed. Dry mdw W of Post Camp; 1 1/8 mi. N (NW) of Grizzly Flat. Access via Etsel R 1N02.5 (M1) jct 21N26.1. T21N R10W S32 SE1/4 of SW1/4 USGS Quadrangle: Plaskett Ridge, 39.63727 -122.98982, 1646m

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United States, California, Mendocino, High North Coast Ranges. Coffee Mill Flat, along Road M1 8.2 road km north of Road M61. T21N R10W S16 SW1/4 USGS Quadrangle: Plaskett Ridge 1:24,000, 39.675278 -122.979444, 1593m

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United States, California, Trinity, Klamath Ranges. Near large open meadow just east of Goat Camp Spring; near top of Brushy Mountain (ridge), near Road 29N28 5.5 km north of junction of roads 30 & 35 which is at the junction of Shasta, Tehama, and Trinity Counties. T29N R11W S35 NE1/4 of SE1/4 USGS Quadrangle: Pony Buck 1:25,000, 40.323056 -123.0675, 1400m

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United States, California, Trinity, Hackney Spring, Wild Mad Road 30. Grassland up slope west of road, T28N R11W S33 USGS Quadrangle: Pony Buck East, 40.326111 -123.11, 1300m

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United States, California, Butte, Southeast of Chico, Hwy 70 road shoulder, about 2 1/2 miles sw of bridge over north fork of Feather River. USGS Quadrangle: Pulga, 39.770278 -121.466111, 610m

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United States, California, Butte, Northern High Sierra Nevada. Top of Rocky Ridge towards its southern end; 2.9 km southwest of Pulga. T22N R04E S01 SE1/4 of SE1/4 USGS Quadrangle: Pulga 1:24,000, 39.783056 -121.472222, 960m

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United States, California, Butte, Northern High Sierra Nevada. Open serpentine bowl on west side of Concow Road about 3.2 mi northeast of the upper end of Concow Reservoir. T23N R04E S36 SW1/4 of SW1/4 USGS Quadrangle: Pulga 1:24,000, 39.801667 -121.484722, 856m

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United States, California, Butte, Northern High Sierra Nevada. Southwestern end of Rocky Ridge, 0.8 km west of Ponderosa Way/Rim Road, near high-voltage power lines. T22N R04E S12 NE1/4 of NW1/4 USGS Quadrangle: Pulga 1:24,000, 39.780833 -121.478889, 895m

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United States, California, Butte, Northern High Sierra Nevada. Southwestern spur of Rocky ridge, 0.6 air km south of Batchelor Point; along Road 23N06E 0.8 road km southeast of Rim Road/Ponderosa Way. T22N R04E S12 NE1/4 of NW1/4 USGS Quadrangle: Pulga 1:24,000, 39.780833 -121.478889, 895m

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United States, Nevada, Washoe, Greart Basin, Modoc Plateau. Along Buckhorn Backcountry Byway (BLM 260100) at 10.9 road-km south of NV 447; high tablelands between Cedar Canyon and Rye Patch Canyon, overlooking Cedar Canyon. T35N R19E S11 SW1/4 USGS Quadrangle: Rye Patch Canyon 1:24,000, 40.924167 -119.820833, 1658m

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United States, Nevada, Washoe, Great Basin, Modoc Plateau. Along Buckhorn Backcountry Byway (BLM 260100) at 10.9 road-km south of NV 447; high tablelands between Cedar Canyon and Rye Patch Canyon, overlooking Cedar Canyon. T35N R19E S11 SW1/4 USGS Quadrangle: Rye Patch Canyon 1:24,000, 40.924167 -119.820833, 1658m

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United States, Nevada, Washoe, Great Basin, Modoc Plateau. Along Burro Mountain Road 2.4 road-km northeast of Smoke Creek Ranch Road; just east of Burro Creek. T31N R18E S10 NE1/4 of NW1/4 USGS Quadrangle: Smoke Creek Ranch 1:24,000, 40.570278 -119.926944, 1352m

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United States, California, Lassen, Lassen National Forest. Eagle Lake Ranger District. A little north of County Road A-1 about 1/3 mile southwest of Sandy Beach cinder pits and two air miles north of Spalding marina. UTM 686984 x 4506793, NAD 1983. T33N R11E S30 SW1/4 of SW1/4 USGS Quadrangle: Spalding Tract 1:24,000, 40.690839 -120.787079, 1564m

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United States, California, Butte, Northern High Sierra Nevada. Along a major dirt road 2.6 km south of Stirling City towards West Branch Feather River crossing. T23N R04E S04 SE1/4 of NE1/4 USGS Quadrangle: Stirling City 1:24,000, 39.881389 -121.523611, 1006m

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United States, Nevada, Washoe, Great Basin. North side of the junction of Nevada Road 8A and Road 34; west edge overlooking Long Valley 1.5 air-km west of Fortynine Lake. T42N R19E S09 SE1/4 of SE1/4 USGS Quadrangle: Vya 1:24,000, 41.569444 -119.856944, 1754m

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United States, California, Siskiyou, Klamath Ranges. NE end of Scott Mountains, 4 air-mi NNW of China Mountain. Ca. 1.4 mi E of the Gazelle-Callahan Rd, along old mining road, on slopes overlooking Mountain House Creek. T41N, R7W, NE¼ of SE¼ of Sec. 2. China Mtn 7.5' quad., 41.428056 -122.615, 1658m

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United States, California, Siskiyou, Klamath Ranges. NE end of Scott Mountain Mountains, 4 air-mi NNW of China Mountain. Ca. 1.4 mi E of the Gazelle-Callahan Rd, along old mining road, on slopes overlooking Mountain House Creek. T41N, R7W, NE¼ of SE¼ of Sec. 2. China Mtn 7.5' quad.; N 41 25' 41" W 122 36' 54", 41.428056 -122.615, 1658m

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United States, California, Trinity, High North Coast Range, West Low Gap trailhead gate into Yolla Bolly Wilderness., 40.18583 -123.03139, 1622m

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United States, Washington, Klickitat, c. 3 air km NE of Haystack Butte., 45.7 -120.833333, 610m

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United States, California, Butte, High Cascade Range. Butte Creek House Ecological Reserve, ca 3 air mi ESE of town of Jonesville. In meadow SE of Humbug Rd, ca 0.8 mi SW of its jcn with Jonesville Rd. Near entrance to reserve, ca 100 ft E of road. T26N R05E S21 SE1/4 of SE1/4 USGS Quadrangle: Jonesville 1:24,000, 40.0875 -121.415556, 1778m

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United States, Idaho, Camas, South Fork Soldier Creek Trail to confluence with Free Gold Creek Trail. 43.49827N, 114.83495W; 43.48705, 114.86613., 43.49827 -114.83495, 1859m

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United States, California, Lassen, Eagle Lake Field Station. TRS: T32N R11E SW1/4 Section 22., 40.617285 -120.727396, 1554m

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United States, California, Lassen, Ca. 200 yards southeast of Eagle Lake Biology Station., 1524m

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United States, California, Lassen, Sandy area nr. entrance of Bly Tunnel, Eagle Lake Biological Station., 1554m

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United States, California, Nevada, Along a spur road, about 200 yards southwest of the pond, road in Sagehen Hills, 1.59 miles (air) southwest of U. C. Berkeley Sagehen Creek Field Station, 7.35 miles (air) northwest of Truckee. TRS: T18N, R15E, northwest 1/4 Section 13., 39.415797 -120.280875, 2202m

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United States, California, Siskiyou, Klamath Ranges. West end of Badger Mountain, along Badger Mountain Road 5.3 road-km north of Hawkinsville-Humbug Road. T46N, R7W, SW¼ of sec. 27. Badger Mtn 7.5' quad., 41.800556 -122.651667, 1410m

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United States, California, Siskiyou, Klamath Ranges. Along 45N28 (Ridge Road) 0.8 km north of Gunsight Peak. T45N, R8W, NW¼ of SE¼ of sec. 16. Indian Creek Baldy 7.5' quad., 41.744722 -122.775833, 1785m

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United States, California, Siskiyou, High Cascade Range. Along Forest Road 3 (47N03) overlooking Parker Creek from the south, about 1.6 km west-northwest of Parker Camp. T46N, R4W, NE¼ of NE¼ of sec. 15. Dewey Gulch 7.5' quad., 41.841944 -122.284444, 1680m

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United States, California, Modoc, Modoc Plateau. East corner of Dry Creek Rim; along Road 47N08 (Corral Creek Road) 5.1 road km NW of Road 48, (along the W edge of Goose Lake). Pease Flat 7.5' quad. T47N, R13E, NW1/4 of NE1/4 of sec. 6., 41.969167 -120.52, 1759m

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United States, California, Lassen, In Loyalton Fire (August 2020) west of Scott Road, 02. mile south of Highway 70, 2.2 miles (air) west of Hallelujah Junction, west side of Long Valley. T22N, R17E, southeast ¼ Section 4., 39.783183 -120.078306, 1480m

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United States, California, Siskiyou, Klamath Ranges. Along Bradley-Henley Road (a rough dirt road) 3.4 road-km south of the Hornbrook off-ramp from Hwy I-5, north of Dutch Gulch and east of Stiffneck Gulch. T47N, R6W, SW¼ of sec. 32. Hawkinsville 7.5' quad., 41.874444 -122.568056, 760m

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United States, California, Butte, 10.3 miles N of Forest Ranch Road, along Hwy 32. T24N, R3E, sec. 9. Cohasset 7.5' quad., 975m

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United States, California, Modoc, Modoc Plateau. Roadside rest area along Highway 395 at Tule Patch Spring, 26 air miles northeast of Susanville., 40.64485 -120.260094, 1493m

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United States, California, Butte, Boy Scout Camp on Scout Road, 1.1 miles N of Butte Meadows junction of Humboldt Road and Skyway. T26N R4E, sec. 20. Butte Meadows 7.5' quad., 1317m

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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; .38 mile east of Elkins Lane. Vicinity of borrow pits. T39N, R8E, se1/4 of sw 1/4 Sec. 23. Big Swamp 7.5' Quad., 41.198389 -121.021269, 1269m

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United States, California, Butte, Along Highway 32 NE of Forest ranch, 0.2 mile S of junction with Humboldt Road. T25N, R3E, sec. 10. Butte Meadows 7.5' quad., 1173m