DES
DES00081502 Wendy C. Hodgson 18965 2005-02-23
USA, Arizona, Yavapai County, North side of Black Mountains, Black Canyon Wash, north side of Shiprock spire, west of highway 93 and southeast of Santa Maria River., 34.345433 -113.1858, 565m
DES
DES00041031 Jon Rebman 3262 1996-06-25
Mexico, Baja California, Sierra San Pedro Martir, wet spring area east of Vallecitos., 30.98333 -115.4333
DES
DES00076227 Mark Hovezak s.n. 1988-09-24
USA, Arizona, Mohave County, West side of Black Mountains, Bighorn Cave area, 35.105778 -114.377222
DES
DES00050976 Wendy C. Hodgson 17434 2003-09-13
USA, Arizona, Coconino County, Grand Canyon National Park, Phantom Canyon, ca 3/4 mile below (downstream from) junction with Haunted Canyon, at trail's end from the south (base of Cheops and Isis branch)., 36.13205 -112.117, 1030m
DES
DES00085289 Wendy C. Hodgson 20739 2005-09-25
USA, Arizona, Coconino County, Grand Canyon National Park, Transept Canyon, ca 5/6 mile northwest of its mouth and Bright Angel Creek., 36.178797 -112.044433, 1443m
GCNP
GRCA 80872 HODGSON, WENDY C. 9643 1995-11-04
USA, Arizona, Coconino, ALONG SOUTH BASS TRAIL, ALONG HERMIT SHALE , GRAND CANYON NP, 1585 - 1600m
GCNP
GRCA 94956 HODGSON, WENDY C. 11233 1998-00-00
USA, Arizona, Coconino, NANKOWEAP CREEK, JUST DOWNSTREAM FROM N 36°17.478', W 111°52.967' , GRAND CANYON NP, 975m
GCNP
GRCA 78278 BRIAN, NANCY J. 95-233 1995-11-04
USA, Arizona, Coconino, SOUTH BASS TRAIL, SOUTH RIM, GROWING IN SUPAI SANDSTONE LAYER, EAST FACING SLOPES , GRAND CANYON NP, 1463m
GCNP
GRCA 28337 BRIAN, NANCY J. 83-19 1983-10-19
USA, Arizona, Coconino, BUCK FARM, MARBLE CANYON, COLORADO RIVER MILE 40, UPSTREAM CAMP , GRAND CANYON NP, 861m
GCNP
GRCA 102707 CHRISTIE, KYLE 1764 2009-09-08
USA, Arizona, Coconino, MARBLE CANYON, VASEY'S PARADISE, COLORADO RIVER MILE 32R , GRAND CANYON NP, 36.496986 -111.858008, 935m
GCNP
GRCA 67053 BRIAN, NANCY J. 96-208 1996-08-28
USA, Arizona, Coconino, ANASAZI BRIDGE CAMP, COLORADO RIVER MILE 43L, MARBLE CANYON , GRAND CANYON NP, 863m
GCNP
GRCA 93209 HODGSON, WENDY C. --WATTERS, KATE --MAKARICK, LORI 19717 2005-05-15
USA, Arizona, Mohave, TUCKUP CANYON, NEAR OPENING , GRAND CANYON NP, 36.145034 -112.871315, 549m
GCNP
GRCA 94774 HODGSON, WENDY C. --ROTH, DANIELA 16066 2002-10-29
USA, Arizona, Mohave, KANAB CANYON, SOUTH OF SHOWERBATH SPRINGS , GRAND CANYON NP, 36.453667 -112.642333, 808m
GCNP
GRCA 63285 HODGSON, WENDY C. ||GANCI, DAVE 6890 1992-10-09
USA, Arizona, Coconino, CIRCA 5/6 MILE (AS RAVEN FLIES) NORTHWEST OF BRIGHT ANGEL CREEK, NORTH OF PHANTOM CREEK , GRAND CANYON NP, 1164m
GCNP
GRCA 94785 HODGSON, WENDY C. --ROTH, DANIELA 14883 2003-10-29
USA, Arizona, Coconino, OFF OF THE THUNDER RIVER TRAIL, HALFWAY DOWN THROUGH THE REDWALL , GRAND CANYON NP, 36.403833 -112.473833, 1250m
GCNP
GRCA 104758 RINK, GLENN 8143 2008-08-29
USA, Arizona, Mohave, HORSE SPRING CANYON , GRAND CANYON NP, 35.984664 -113.502728, 1158m
GCNP
GRCA 28868 GALEANO ||BREWER \ 1984-06-12
USA, Arizona, Mohave, SANUP PLATEAU, BURNT SPRING CANYON , GRAND CANYON NP, 1524m
GCNP
GRCA 64863 HODGSON, WENDY C. 8642 1994-09-26
USA, Arizona, Coconino, THUNDER RIVER TRAIL, 1/2 WAY DOWN REDWALL BETWEEN ESPLANADE EDGE AND SUPRISE , GRAND CANYON NP, 1341m
GCNP
GRCA 66394 STEVENS, LARRY E. s.n. 1993-09-17
USA, Arizona, Coconino, COLORADO RIVER MILE 119R , GRAND CANYON NP, 640m
GCNP
GRCA 80590 RINK, GLENN 153B 2000-10-15
USA, Arizona, Coconino, COLORADO RIVER MILE 47R, BANK OF RIVER BETWEEN UPPER AND LOWER SADDLE CAMP , GRAND CANYON NP, 863m
USON:USON
23466 Royal D. Suttkens 73-18-2 1973-05-24
United States, Arizona, Coconino County: Colorado River: River Mile 166.5
USON:USON
24254 Royal D. Suttkus 75-16-17 1975-09-20
United States, Arizona, Coconino County: Colorado River, right bank, Buck Farm Canyon: River Mile 41
USON:USON
24070 T.R. & R.K. Van Devender 92-876 1992-09-12
United States, Arizona, Bonanza Wash area, ca. 2.5 miles northeast of Nothing (on Arizona 93 at Mohave County line) on Bureau of Land Management land; T13N R10W Sec 5.
UCR
UCR0137507 Jim André 30601 2014-09-10
United States, California, San Bernardino, New York Mountains, east end of range about 1 mile north of mouth of Keystone Canyon, c. 3 miles west of Barnwell, 1.0 mile WNW of Lecyr Well, just WSW of Trio Mines, upper watershed flowing north toward Ivanpah, 35.28347 -115.2706, 1475m
UCR
UCR0137486 Jim André 21453 2011-10-12
United States, California, San Bernardino, Mojave National Preserve; Granite Mountains, lower Willow Springs Basin at base of eastern fork; Granite Mountains, 34.75962 -115.68473, 1171m
UCR
Wendy C. Hodgson 29916A 2014-09-09
United States, Arizona, Yavapai, Along and just west of Date Creek Road (County Road 62), south of Hillside, just north of Lawler Creek, 34.40028 -112.94003, 1179m
UCR
UCR0137508 Naomi Fraga 4371 2013-08-21
United States, California, San Bernardino, Antelope Creek north of Gamma Gulch Road near Bighorn Mountain Wilderness, 34.22717 -116.55164, 1445m
UCR
UCR0137483 Naomi Fraga 4349 2013-08-13
United States, California, San Bernardino, Bighorn Mountain Wilderness. Unnamed drainage east of Ruby Canyon, 34.30619 -116.5405, 1430m
UCR
UCR0137452 Scott D. White 13621 2021-09-10
United States, California, Riverside, Deep Canyon Watershed. Carrizo Creek upstream from Hwy 74, from road crossing upstream to perennial seep, 33.64167 -116.40833, 671m
UCR
UCR0137453 Scott D. White 13622 2021-09-10
United States, California, Riverside, Deep Canyon Watershed. Carrizo Creek upstream from Hwy 74, from road crossing upstream to perennial seep, 33.64167 -116.40833, 671m
UCR
UCR0235482 Scott D. White 16454 2023-10-20
United States, California, Riverside, Shumway Ranch. Headwaters of Grapevine Creek, 33.63333 -116.44667, 1280m
UCR
UCR0137506 Jim André 29597 2013-10-17
United States, California, San Bernardino, Mojave National Preserve, far west side of range, mouth of canyon just north of Budweiser Wash, 34.77823 -115.7553, 1099m
UCR
UCR0137454 Sarah J. De Groot 7583 2015-09-21
United States, California, Riverside, SSW of Palm Desert, near Potrero Spring near head of Potrero Canyon, west of Dunn Road, NW of Asbestos Mountain, SW of Haystack Mountain, 33.65022 -116.48225, 1084m
UCR
UCR0137504 Duncan S. Bell 7543 2014-08-19
United States, California, San Bernardino, San Bernardino National Forest, Bighorn Mountains, southeastern drainage of the Granite Peaks area, c. half a mile northwest of Viscera Spring, 34.27703 -116.68067, 1648m
UCR
UCR0137491 Michael Honer 2153 2005-10-29
United States, California, San Bernardino, rocky wash c. 4 mi west of Flamingo Heights. Accessible by series of vague dirt roads running west from Hondo Street and Hwy 247, 34.24806 -116.51944, 1293m
UCR
UCR0137528 Jon P. Rebman 15914 2008-09-11
United States, California, San Diego, McCain Valley; north of Boulevard; along McCain Valley Rd. just south of Lost Valley Square R26, 32.7565 -116.27461, 1160m
UCR
UCR0137480 Duncan S. Bell 5586 2013-08-06
United States, California, San Bernardino, Bighorn Mountains; in the Bighorn Mountain Wilderness area; in an unnamed canyon to the east of Ruby Canyon, about 5 air miles northwest of Ruby Mountain, 34.31186 -116.55522, 1350m
UCR
UCR0137465 June Latting s.n. 1977-11-06
United States, California, Riverside, Oasis de Los Osos, Snow Creek, 33.89111 -116.69528, 427m
UCR
UCR0137471 Scott D. White 1963 1994-04-21
United States, California, Riverside, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring; San Bernardino Mtns, 33.96667 -116.8, 917m
UCR
UCR0137485 Jim André 22319 2011-08-18
United States, California, San Bernardino, Mojave National Preserve; Cima Dome along Cima Road, 5.3 mi. north of Cima at Kessler Spring area; Cima Dome, 35.30335 -115.53963, 1453m
UCR
Onkar Singh 5908 2016-10-08
United States, Nevada, Clark, Eldorado Mountains, c. 6 km south of Nelson, along the Eldorado-Moenkopi Transmission line corridor, upper margins of Aztec Wash, 35.65733 -114.82092, 982m
UCR
UCR0137451 Scott D. White 15308 2022-11-23
United States, California, Riverside, Deep Canyon Watershed north of Pinyon Crest community. Carizo Creek above Dos Palmas Spring, 33.45 -116.43333, 1098m
UCR
Max Licher 4194 2013-10-04
United States, Arizona, Yavapai, Verde Valley Botanical Area, east end of Dead Horse Ranch State Park, 34.75742 -111.99747, 1015m
UCR
UCR0137526 Margaret R. Mulligan 2612 2008-10-08
United States, California, San Diego, Hauser Wilderness, Cleveland National Forest, north side of Hauser Creek, south side of Hauser Creek Road, c. 0.75 mi south of Morena Butte, just northwest of Pacific Crest Trail. Square T21, 32.662 -116.54631, 702m
UCR
UCR0137514 Valerie Soza 428 1998-08-25
United States, California, San Bernardino, NW of Horsethief Flat, west of Arrastre Creek, 34.32444 -116.76417, 1402m
UCR
UCR0137495 Sarah J. De Groot 3355 2003-10-25
United States, California, San Bernardino, Whipple Mtns: Bass Point, along Parker Dam Rd, at edge of Colorado River, 34.20278 -114.22833, 120m
UCR
UCR0137499 Mark A. Elvin 3294 2004-04-09
United States, California, San Bernardino, UC Burns Pinyon Ridge Reserve, c. 1.5 mi east of Pioneertown, SW portion, in North Railroad Canyon, 34.14139 -116.45278, 1098m
UCR
UCR0137489 G.R. Ballmer s.n. 2006-09-09
United States, California, San Bernardino, Slate Range, Layton Spring, 35.68 -117.17833, 960m
UCR
Fred H. Landau s.n. 1988-10-25
United States, Nevada, Clark, Near wash in Cottonwood Grove just West of Blue Diamond, 36.13689 -115.41489, 1070m
UCR
UCR0137496 Sarah J. De Groot 3495 2003-12-12
United States, California, San Bernardino, Whipple Mountains: Copper Basin, along road to the reservoir and just outside gate by reservoir. MWD property (permit 28 Aug. 2003), 34.29583 -114.23056, 308m
UCR
UCR0137475 Scott D. White 4274B 1996-07-02
United States, California, Riverside, Pinyon Flat area, north of Hwy 74, c. 10 road miles east of junction with Hwy 371, west-facing slope of Sugarloaf Mountain and adjacent valley, 33.59167 -116.44167, 1250m
UCR
UCR0137492 Michael Honer 1857 2003-10-13
United States, California, San Bernardino, rocky wash c. 4 mi west of Flamingo Heights. Accessible via labyrinthine series of vague dirt roads traveling W from Hondo Street and Hwy 247, 34.23472 -116.52028, 1293m
UCR
UCR0137446 A.C. Sanders 40619 2013-03-14
United States, California, Inyo, southern Pahrump Valley, a few meters west of Nevada state line, along stateline road at major wash crossing, 1.35 km SE of Old Spanish Trail Highway, 35.96417 -115.84722, 829m
UCR
I.W. Clokey 8679 1940-08-21
United States, Nevada, Clark, Wilson's Ranch [=Sandstone Ranch, Spring Mountain Ranch], 36.06806 -115.45889, 1180m
UCR
UCR0137498 Mark A. Elvin 3256 2004-04-09
United States, California, San Bernardino, UC Burns Pinyon Ridge Reserve, c. 1.5 mi east of Pioneertown, east of Burns House, 34.14917 -116.45222, 1265m
UCR
UCR0137515 George K. Helmkamp 29--08 1993-09-18
United States, California, San Bernardino, Morongo Valley, canyon at west end of Palo Verde Road, l mile west of Juniper Ave, between Big Morongo Canyon and Dry Morongo Canyon, 34.06389 -116.60917, 1070m
UCR
UCR0137447 Naomi Fraga 112 2002-05-25
United States, California, Kern, Owens Peak Eastern Watershed, Owens Peak Wilderness Area. Short Canyon, near the trail head, where stream tapers off near water fall, 35.7155 -117.97889, 1037m
UCR
UCR0137463 Scott D. White 15165 2022-10-21
United States, California, Riverside, Omstott Creek watershed (headwaters of Palm Canyon): Pinyon Flat area, Alpine Village community. Just north of Sugarloaf Ave. and just east of Palm Canyon Dr., 33.58333 -116.45833, 1204m
UCR
UCR0137479 Sarah J. De Groot 7578 2015-09-16
United States, California, San Bernardino, Bighorn Mountains, New Dixie Mine Road (2330), west-southwest of Ruby Mountain, west of Homestead valley and Hwy 247, 34.27225 -116.50767, 1304m
UCR
UCR0137455 N. Miles Fellows 33 1984-11-12
United States, California, Riverside, Oasis de los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mile west of Snow Creek Village; San Jacinto Mtns, 33.89028 -116.69583, 489m
UCR
UCR0137512 David Charlton 29 1986-02-16
United States, California, San Bernardino, Whipple Mountains, upper Whipple Wash, 4 mi above the powerline road crossing; Sonoran Desert, 34.32306 -114.31139, 489m
UCR
Wendy C. Hodgson 3547 1985-03-25
United States, Arizona, Mohave, 7.1 mi eastnortheast of Oatman along Oatman Road (old Route 66); Black Mtns, 35.03267 -114.34239, 914m
UCR
UCR0137449 Larry F. LaPré s.n. 1990-06-12
United States, California, Kern, Sand Canyon 2.5 miles west of Hwy 395, 15 miles NW of Ridgecrest, 35.77806 -117.92194, 948m
UCR
UCR0137473 Virginia Moran s.n. 2003-09-01
United States, California, Riverside, Wilson Valley Mitigation Bank (Center for Natural Lands Management), east of Sage Road and south of Wilson Valley Road, 33.51528 -116.88556, 675m
UCR
W.D. Wiesenborn s.n. 2023-09-10
United States, Nevada, Clark, Eldorado Mountains, 3.3 km north of Nelson, 35.737 -114.83, 1022m
UCR
UCR0137478 Jim André 36953 2016-09-08
United States, California, San Bernardino, northern base of the Mescal Range, Groaner Spring site, 1.8 mile south-southeast of Bailey Road at Hwy I-15, Mountain Pass, 35.45417 -115.52313, 1477m
UCR
UCR0137236 Naomi Fraga 6210 2018-10-01
United States, California, San Bernardino, Clipper Mountains, Bonanza Spring, 34.68569 -115.4955, 636m
UCR
UCR0137472 Bern Schwenn s.n. 1994-10-30
United States, California, Riverside, Little San Bernardino Mtns, side canyon on W side of Long Canyon, 34.04306 -116.45167, 915m
UCR
Frank C. Vasek HMS--157 1967-09-17
United States, Arizona, Mohave, southeast of Hualapai Mountain Park [3rd coll. site, probably near Timber Wash]; Hualapai Mountains, 35.05 -113.83333, 1555m
UCR
UCR0137444 Christopher Davidson 7948 1979-05-16
United States, California, Inyo, Panamint Mtns, Johnson Canyon; vicinity of lower spring at the end of the road; 20 mi SW of Badwater, 36.08944 -117.00861, 1189m
UCR
UCR0137505 Duncan S. Bell 1940 2010-09-05
United States, California, San Bernardino, Sawtooth Mountains; unnamed drainage between Sorrel Horse Canyon and Pipes Canyon below Chuparrosa Peak, about 3.5 miles west of Pioneertown, 34.15758 -116.55697, 1532m
UCR
UCR0137497 B.G. Pitzer 4049 1999-09-23
United States, California, San Bernardino, "Sheep Corral," a maze of interconnecting washes separated by exposed granite outcrops, at S end of Granite Mountains, c. 1.5-2 mi. north of Hwy I-40, 34.74 -115.68, 1000m
UCR
UCR0137490 Tasha La Doux 118 2007-10-10
United States, California, San Bernardino, Providence Mountains, c. 0.5 mi west of Cornfield Spring, near end of dirt road in wash, 34.97783 -115.58908, 859m
UCR
UCR0137460 A.C. Sanders 19660 1996-11-23
United States, California, Riverside, Whitewater Canyon, just above Bonnie Bell, 2.3 miles below the stream crossing near the fish hatchery, east of VAMB Captain; San Bernardino Mtns., 33.95 -116.64167, 534m
UCR
UCR0137448 Naomi Fraga 700 2003-05-19
United States, California, Kern, The Owens Peak Eastern Watershed. Grapevine Canyon. On the way to Coyote Spring, 35.73111 -117.93469, 1037m
UCR
UCR0137516 A.C. Sanders 23056 1999-08-14
United States, California, San Bernardino, Mojave River at Afton Canyon; Mojave Desert, 35.04167 -116.4, 457m
UCR
Elizabeth Makings 2234 2005-10-04
United States, Arizona, Pinal, Tonto National Forest, Arnett Creek, turnoff from Hwy 177 c. 4 mi south of Superior, 33.22722 -111.08583, 902m
UCR
UCR0137524 Jeri Hirshberg 252 1993-09-05
United States, California, San Diego, 0.25 mi. NW of Lucky Five Ranch; Laguna Mountains, 32.945 -116.51722
UCR
UCR0137488 Jim André 14805 2010-10-07
United States, California, San Bernardino, Granite Mountains, upper Granite Cove, Univ. of CA Granite Mountains Desert Research Center, banks of sandy wash below Granite Spring, 34.7862 -115.6586, 1330m
UCR
UCR0137409 Scott D. White 14085 2022-04-01
United States, California, Riverside, northwestern foothills. Potrero Canyon area. California Department of Fish & Wildlife San Jacinto Wildlife Area, Potrero Canyon Unit. Southwest end of valley and upper end of Massacre Canyon, 33.85 -116.99167, 524m
UCR
UCR0137482 Jim André 22390 2012-08-11
United States, California, San Bernardino, Van Winkle Mountains, Mojave National Preserve; north slope of range in volcanic gravel; Van Winkle Mountains, 34.77678 -115.60765, 1109m
UCR
UCR0137518 O.F. Clarke s.n. 1973-04-22
United States, California, San Bernardino, University of California, Burns Pinyon Ridge Reserve, north of Yucca Valley; San Bernardino Mtns. / Mojave Desert, 34.14917 -116.45361, 1223m
UCR
UCR0137456 John C. Roos 3003 1948-09-14
United States, California, Riverside, Dos Palmas Spring, east of Asbestos Mountain, 33.61917 -116.42611, 1070m
UCR
UCR0137459 John C. Roos 4660 1949-09-17
United States, California, Riverside, Palm oasis in a side canyon on the east side of Whitewater Wash; San Bernardino Mtns / Colorado Desert, 33.95 -116.63333, 612m
UCR
UCR0137474 D.L. Banks 0804 1995-10-17
United States, California, Riverside, Cleveland National Forest, Agua Tibia Wilderness Area; along lower Arroyo Seco, south of the Dripping Springs Campground. Along alluvial benches where Arroyo Seco turns to the E, just west of the Metasedimentary hills; NW Palomar Mtns, 33.45 -116.96667, 525m
UCR
UCR0137510 A.C. Sanders 2039 1980-11-16
United States, California, San Bernardino, along the Colorado River, 0.5 mi downstream from the bridge between Earp and Parker; Sonoran Desert, 34.15667 -114.30417, 122m
UCR
UCR0137511 Frank C. Vasek 661127--01 1966-11-27
United States, California, San Bernardino, Black Meadow Landing, Lake Havasu, north of Parker Dam; Sonoran Desert, 34.35194 -114.19778, 146m
UCR
UCR0137493 Jim André 6632 2005-08-29
United States, California, San Bernardino, Granite Mtns: "Kissing Rock" Wash 0.25 mi south of Bunny Club, UC Granite Mtns. Desert Research Center, 34.78167 -115.62167, 1212m
UCR
UCR0137476 A.C. Sanders 15808 1994-10-09
United States, California, Riverside, Whitewater Canyon, 2 miles below trout farm, above Bonnie Bell; San Bernardino Mtns., 33.96361 -116.64917, 564m
UCR
UCR0137519 John C. Roos 3731 1947-08-02
United States, California, San Bernardino, North of Burns Wash, on the E slope of the mtns.; San Bernardino Mtns., 34.19 -116.53722, 1315m
UCR
UCR0137520 A.C. Sanders 2926 1982-09-09
United States, California, San Bernardino, Old Woman Mountains. Sunflower Spring; Eastern Mojave Desert, 34.545 -115.12667, 1040m
UCR
UCR0137458 Louis B. Ziegler 047 1964-10-15
United States, California, Riverside, Garner (Hemet) Valley from Kenworthy area; San Jacinto Mtns, 33.61667 -116.625, 1387m
UCR
UCR0137462 George K. Helmkamp 840502--2 1984-05-02
United States, California, Riverside, Big Morongo Canyon, 3.0 - 3.5 miles below the caretaker's house at the Big Morongo Preserve; Little San Bernardino Mountains, 34.02278 -116.56389, 550m
UCR
John C. Roos s.n. 1965-10-10
Mexico, Baja California (norte), Tecate, 6 miles south of La Rumorosa; Sierra Juarez, 32.46667 -116.0375, 1223m
UCR
UCR0137445 John C. Roos s.n. 1965-09-18
United States, California, Inyo, Panamint Mountains, Wildrose Canyon; Panamint Mtns., 36.26472 -117.19806
UCR
UCR0137487 Jim André 15445 2010-11-05
United States, California, San Bernardino, New York Mountains, Mojave National Preserve, south fork of Keystone Canyon just upslope from confluence with north fork, 35.27137 -115.2936, 1701m
UCR
UCR0167062 Naomi Fraga 6360 2018-11-20
United States, California, Kern, Scodie Mountains, Sage Canyon, Boulder Spring, 35.57933 -118.02828, 1223m
UCR
UCR0137503 Duncan S. Bell 8641 2015-08-23
United States, California, San Bernardino, southeastern end of the Bighorn Mountains, valley between Flat Top Mesa and Black Lava Butte, 34.21983 -116.48642, 1204m
UCR
UCR0167005 Naomi Fraga 6461 2019-05-23
United States, California, San Bernardino, north side of Ivanpah Mountains. Mineral Hill, Ricky Spring, south of Hwy I-15, 35.44842 -115.44819, 1372m
UCR
UCR0137517 Mitch Provance 796 1998-06-29
United States, California, San Bernardino, Canyon running from W to E along the N edge of Horsethief Flats; San Bernardino Mtns., 34.32483 -116.764, 1402m