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ARGENTINA: Provincia de Salta; Joaquín V. González; 17.5 km NE on Route 41; -25.038, -63.978; 1250 ft

ARGENTINA: Provincia de Salta; Macapillo, 5 km S

NEVADA: Elko County; Jarbidge, 6 mi SSE; Jarbidge River [41.7000 / -115.4050]; 41.7, -115.405; ~6600 ft

NEVADA: Clark County; Spring Mountains; Lovell Canyon; 36.15, -115.567; 5700 ft

ALASKA; Denali Highway

NEVADA: Clark County; Searchlight, 8.5 mi W; 35.528, -115.062

ARGENTINA: Provincia de Jujuy; Tilcara, 15 km S, 15 km W

ARIZONA: Cochise County; Huachuca Mountains; Ramsey Canyon; 31.433, -110.217; 8500 ft

COLORADO: Huerfano County; Walsenburg, 10 mi W

CONNECTICUT: Fairfield County; Stratford - Lordship Meadows

NEVADA: Lincoln County; Elgin, 8 mi SW; Kane Springs Valley; 36.967, -114.976

NEVADA: Clark County; Indian Springs

NEVADA: Clark County; Henderson; tailing ponds

NEVADA: Elko County; Ruby Mountains; Harrison Pass (FR 113) [40°19'N/115°35'W]; 40.317, -115.583; 7200 ft

OREGON: Lake County; Adel, 13 mi SW; 42.046, -119.962; 1400 m

HONDURAS: Departamento de Atlántida; La Ceiba, 9.7 km SW; 15.717, -86.867; sea level

ARGENTINA: Provincia de Tucumán; Tafi del Valle, 20 km S, 6 km E; -27.033, -65.667; 1090 m

WASHINGTON: Grant County; Wilson Creek, 2 mi S; Soda Lake; 47.394, -119.13; 1312 ft

WASHINGTON: Kittitas County; Ellensburg, 3 mi NE

ALBERTA: High Level, 5 mi S; Hwy 35

UNITED KINGDOM: England; Kent; Roydon

MEXICO: Veracruz; Los Tuxtlas, Estacion de Biologia [18.5841 / -95.0748]; 18.584, -99.075; <100 m

PANAMA: Provincia de Veraguas; western (mid) Azuero Peninsula by road; 7.624, -80.968; ca. 50 m

ARGENTINA: Provincia de Jujuy; Tilcara, 18 km S, 30 km W; -23.72, -65.691; 3850 m

ARGENTINA: Provincia de Tucumán; Tafi del Valle, 14 km N, 6 km W; -26.733, -65.767; 3200 m

NUNAVUT: Ellesmere Island; Fosheim Peninsula, Iceberg Point

HONDURAS: Departamento de Atlántida; La Ceiba, 9.7 km SW; Curla Rainforest; 15.708, -86.858; 195-600 ft

MEXICO: Coahuila; El Diamante

NEVADA: Clark County; Las Vegas; Las Vegas Wash at Tropicana [36°06.08 N, 115°01.29 W]; 36.101, -115.022; 2000 ft

NEVADA: White Pine County; McGill, 9 mi NE; 39.515, -114.68; 2100 m

GUATEMALA: Departamento de Alta Verapaz; Pancajche, 5 mi SE; 2400 ft

ARGENTINA: Provincia de Jujuy; San Salvador de Jujuy, 30 km S; -24.48, -65.274

ARIZONA: Santa Cruz County; Santa Rita Mountains; Gardner Canyon; 31.717, -110.783; 6000 ft

OREGON: Sherman County; The Dalles, 6 mi W on Hwy 206

COLORADO: Gunnison County; Gothic; Virginia Mountain

NEVADA: Clark County; Spring Mountains; Macks Canyon [36°223'N/115°47'W]; 36.367, -115.667; 8100 ft

MARYLAND: Prince George's County; Upper Marlboro, 10 mi S; 38.717, -73.7

CALIFORNIA: Tulare County; Sequoia National Forest 3.9 road miles W of Johnsondale

NEVADA: Clark County; Spring Mountains; Macks Canyon [36° 21.51' N, 115° 39.86' W]; 36.359, -115.664; 7575 ft

NEVADA: Clark County; Searchlight, 14 mi NE; Ireteba Peaks [35° 39.28' N, 114° 50.63' W]; 35.655, -114.844; 4050 ft

OKLAHOMA: Cleveland County; Norman 3 mi S

UTAH: Garfield County; Panguitch, 18 mi SW

UTAH: Garfield County; Panguitch, 18 mi SW; 8700 ft

WASHINGTON: Okanogan County; Havillah, 3.5 mi N, 3 mi W; Meadow Lake; 48.885, -119.271; 4125 ft

GUATEMALA: Departamento de Quetzaltenango; Santa María de Jesús, 2 km E; 14.718, -910.52; 1500 m

MEXICO: Michoacán; Municipio Nuevo San Juan; Nuevo San Juan, 11 km E [19°25.392' N, 102°14.407' W]; 19.423, -102.24; 2400 m

ARGENTINA: Provincia de Tucumán; Tafi del Valle, 8 km N, 5 km W; -26.783, -65.75

ARGENTINA: Provincia de Tucumán; Tafi del Valle, 11 km S, 5 km E; -26.95, -65.667; 1850 m

MEXICO: Coahuila; Las Vacas, 1.5 mi E; 7500 ft

MEXICO: Jalisco; Nevado de Colima, N. Slope Volcan de Nieve; ca 8000 ft