HSC
Thomas W. Nelson; Jane Nelson, James Nelson 2025A 1975-07-15
United States, California, Humboldt, Beside Bald Hills Rd, just E of Redwood National Park, 41.255413 -123.992024
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Thomas W. Nelson; Jane Nelson, James Nelson 2034 1975-07-15
United States, California, Humboldt, French Camp, Bald Hills., 41.141634 -123.837993
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J.P. Smith; J.O. Sawyer, R.J. Cole 13,906 2014-06-07
United States, California, Siskiyou, Along Forest Service Road 40N08, east of State Route 3, 41.287 -122.701, 1701m
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M.T. Milligan 14B 1964-06-06
United States, California, Modoc, N side of Dorris Reservoir along shore, 41.494192 -120.47621, 1372m
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William J. Ferlatte 989 1967-08-18
United States, California, Trinity, Head of Union Creek, 41.036318 -122.862528, 1982m
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L.C. Gentner sn 1947-05-12
United States, Oregon, Jackson, Roxy Ann Peak, 42.3540723 -122.7860874
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D.H. Norris; Thomas W. Nelson, S. Dowty 19391 1971-06-23
United States, California, Modoc, Along Hager Basin Rd. near Big Sage Reservoir., 41.5764 -120.7153
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D.H. Norris; Thomas W. Nelson, S. Dowty 19289 1971-06-22
United States, California, Lassen, Along Hwy. 395, 4 mi. E of Standish, 40.37702 -120.36106
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William J. Ferlatte 1474 1973-07-29
United States, California, Trinity, Landers Lake Basin, swale at N side of lake, 41.03588 -122.880602, 2165m
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William J. Ferlatte 962 1967-08-17
United States, California, Trinity, Ridge W of Bullards Basin head, 41.035447 -122.89884, 2043m
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Maralyn OMeara 368 1974-05-25
United States, California, Siskiyou, Along Rd. 8, 0.9 mi. from its junction with Hwy. 3, 41.32694 -122.85127, 976m
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Barbara Kelly 603 1978-06-24
United States, California, Trinity, Road to Grouse Creek from Scott Mtn. Summit, 0.25 mi. E of Hwy 3, 41.3295376 -122.7344935, 1677m
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Jennifer Whipple 2329 1978-06-05
United States, California, Siskiyou, Weston Gulch in Scott Valley, 41.474178 -122.813732, 854m
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William J. Ferlatte 299 1966-08-04
United States, California, Siskiyou, Yellow Rose Mine, 41.050229 -122.91716, 1982m
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Carl Wishner 535 1978-07-01
United States, California, Shasta, Hatchet Mtn. area, Hatchet and Buffom Creeks, Hwy. 299 side road, 40.875825 -121.86214, 1220m
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Maralyn A. Renner 852 1980-06-09
United States, California, Siskiyou, Ridge SE of FS Rd. 45N35, 41.690446 -122.699281, 1341m
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Maralyn A. Renner 796 1980-06-08
United States, California, Siskiyou, Slopes E of Hwy. 3, 41.661326 -122.737315, 1341m
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J.O. Sawyer; R.J. Cole 4148 1981-07-02
United States, California, Trinity/Siskiyou, Near Scott Mtn. Campground, 41.27472 -122.699401, 1585m
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Thomas W. Nelson; Jane Nelson 4495 1978-07-24
United States, California, Siskiyou, Siskiyou-Trinity Co. line, along road to Carmen Lake, 100 m from junction with Hwy. 3, 41.28463 -122.695692, 1585m
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J.P. Smith; Thomas W. Nelson 10145 1979-06-16
United States, California, Siskiyou, Klamath National Forest, along FS Rd. 40N03, 0.3 mi. from its junction with Hwy. 3, 2.72 mi. from county line, 41.299354 -122.715443, 1463m
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Thomas W. Nelson; Jane Nelson 6021 1980-07-06
United States, California, Lassen, Along Adin-Madeline Rd. 0.5 mi. W of Moll Reservoir., 41.10309 -120.79021, 1585m
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Thomas W. Nelson; Jane Nelson 6130 1980-07-17
United States, California, Trinity, Along FS Rd. 17 at summit at county line, 41.341477 -122.541224, 2073m
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Thomas W. Nelson; Jane Nelson 4853 1979-06-16
United States, California, Siskiyou, Along Hwy. 3, 3.1 mi. N of Scott Mtn. Summit, 41.300768 -122.734813, 1280m
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Thomas W. Nelson; Jane Nelson 4811 1979-06-15
United States, California, Siskiyou, Along road to Carmen Lake, 0.6 mi. from junction with State Route., 41.28463 -122.695692, 1646m
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Jennifer Whipple 1496 1976-07-23
United States, California, Trinity, S facing slopes N of Deadfall Creek., 41.340647 -122.519778, 2195m
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Jennifer Whipple 1396 1976-07-09
United States, California, Siskiyou, Dale Creek drainage on the N face of Mt. Eddy, 41.339962 -122.496954, 2226m
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Jennifer Whipple 1358 1976-07-08
United States, California, Siskiyou, Dobkins Lake drainage on E slopes above Dobkins Lake, 41.337636 -122.473288, 2256m
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Thomas W. Nelson; & Sydney Carothers 9383 2005-07-17
United States, California, Siskiyou, Etna Summit along Etna-Forks of the Salmon Rd., 41.396845 -122.995966, 1804m
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R.D. Whittlesey 2 2013-06-04
United States, California, Siskiyou, Near Castella: 3.1 mi. north from State Park entrance up Castle Dome Trail., 41.16758 -122.32516, 1187m
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Lisa D. Hoover SRNF sn 2014-05-28
United States, California, Del Norte, Six Rivers National Forest, Devils Punchbowl Quad, Bear Basin, Bear Mtn. area., 41.80509 -123.6753, 1546m
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J.P. Smith; J.O. Sawyer, Maralyn OMeara 5687 1972-07-03
United States, California, Siskiyou, E slope of Kangaroo Mtn. above Toehead Lake., 41.9257 -123.1969, 1890m
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B. Reinhardt 38 1974-06-26
United States, California, Del Norte, S side of Peak 8, 41.544504 -123.777084
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J.O. Sawyer; E. Cope 2976 1977-06-20
United States, California, Siskiyou, Along W slopes of Bear Mtn., 41.6924 -123.58057, 1829m
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Gilbert Muth; Terry Griswold 4867 1979-06-15
United States, California, Del Norte, Near Sanger Peak, close to the town of OBrien, 41.92088889 -123.6543056, 1784m
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Walter Overton; Marvin Butler 5190 1979-06-19
United States, California, Del Norte, Near Bear Basin Butte, close to the town of Gasquet, 41.75791667 -123.6708889, 1613m
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G.L. Clifton; Terry Griswold 5757 1979-06-22
United States, California, Del Norte, Near Bear Basin, close to the town of Gasquet., 41.80941667 -123.7251389, 1433m
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Ruby Van Deventer sn
United States, California, Del Norte, Chimney Rock, 41.5855 -123.7121, 1751m
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Al Hobart sn 1967-08-08
United States, California, Siskiyou, El Capitan, 41.867461 -123.616922
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Al Hobart sn
United States, California, Siskiyou, El Capitan, 41.867461 -123.616922
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M.A. Baker 826 1979-06-14
United States, California, Del Norte, Monkey Creek drainage, 2 km E of Monumental, S facing hillside, 41.9596 -123.8096
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Maralyn A. Renner 2703 1980-09-01
United States, California, Siskiyou, S side of Devils Punchbowl, 41.8012 -123.672, 1829m
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M.A. Baker 3508 1980-08-03
United States, California, Del Norte, Near Stevens Mtn., 41.68722222 -123.6919444, 1768m
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M.A. Baker 3348 1980-07-30
United States, California, Del Norte, Near Jedediah Mtn., 41.75555556 -123.6933333, 1737m
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M.A. Baker 3295 1980-07-30
United States, California, Del Norte, Near Island Lake, 41.76055556 -123.6963889, 1524m
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Gail Newton 1856 1980-08-03
United States, California, Del Norte, Near Harrington Mtn., 41.67472222 -123.6861111, 1753m
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Gilbert Muth; Terry Griswold 4844 1979-06-15
United States, California, Del Norte, Near Sanger Peak, close to the town of OBrien, 41.91411111 -123.6497778, 1616m
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Walter Overton; Marvin Butler 5280 1979-06-19
United States, California, Del Norte, Near Bear Basin, close to the town of Gasquet, 41.78394444 -123.6640833, 1356m
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HSC230157 L. Hoover 144 1996-06-04
United States, California, Del Norte, Six Rivers National Forest; Bear Basin Butte. Hwy. 199 to 17N05, turn onto 16N02 going into botanical area. Take road up to the Butte., 41.806445 -123.738548, 1463m
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Carl Wishner 521 1978-06-30
United States, California, Sierra, 5 mi. N of Calpine
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Wendell Wood 217 1970-07-21
United States, California, Inyo, White Mtns, Schulman Grove vicinity, 2591m
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Wendell Wood 68 1970-07-04
United States, California, Mono, Lakeview Dr, June Lake, 37.7784 -119.0747, 2134m
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W.R. Rogers 266 1965-07-11
United States, California, El Dorado, Tahoe Keys, Lake Tahoe, 38.931402 -120.012215
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M.T. Milligan 632 1966-08-03
United States, California, Modoc, W slope of Eagle Peak, 41.281231 -120.227828, 2439m
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M.T. Milligan 128 1964-07-01
United States, California, Modoc, 6 mi. N of Hwy. 139 on FS Rd. 44N15, 41.566835 -120.975946, 1524m
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R.C. Wunner 291 1965-06-29
United States, California, Siskiyou, California Lava Beds National Monument, 1/2 mi. above Mammoth Crater at Tichner Junction, 41.684185 -121.556808, 1616m
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M.T. Milligan 61 1964-06-20
United States, California, Modoc, 2 mi. N on Pencil Rd. from Hwy. 395, 41.523354 -120.515563, 1372m
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John Pratt 21 1970-06-15
United States, California, Plumas, Chester Airport, 40.28505 -121.24141
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R.W. Spjut 500 1970-07-20
United States, California, Modoc, SE corner of Goose Lake, 4 mi. W of Davis Creek, 41.754783 -120.418576, 1372m
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D.H. Norris; T. Nelson, S. Dowty 19189 1971-06-22
United States, California, Lassen, Harvey Valley near Cone Springs, 40.67751 -121.07311
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J.P. Smith 7629 1974-05-27
United States, California, Siskiyou, Along FS Rd. 47N03, 41.823127 -122.332923, 1280m
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Maralyn OMeara 482 1974-05-27
United States, California, Siskiyou, Along FS Rd. 47N03, 41.823127 -122.332923, 1280m
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Maralyn OMeara 512 1974-06-00
United States, California, El Dorado, Along Hwy. 89, Lake Tahoe at Emerald Bay, 38.9488 -120.10941, 2134m
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Carl Wishner 509 1978-06-28
United States, California, Mono, Conway Summit, 38.087978 -119.181819
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Teresa Prendusi sn 1980-07-01
United States, California, Lassen, Champs Flat, 6 mi. W of N tip of Eagle Lake, 40.6921 -120.9105, 1768m
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Carl Wishner 503 1978-06-27
United States, California, Inyo, Near Schulman Grove, 37.3855715 -118.1744384, 3049m
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C. Macdonald; P. Powers, C. Raley, J. Spitler, D. Stamp 87 1980-05-03
United States, California, Tehama, 1.5 mi. SSW of BM1797 on Rd. 29N15, 40.320839 -122.848995, 610m
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J.O. Sawyer; R.J. Cole 3868 1980-07-22
United States, California, Siskiyou, 0.5 mi. S of Lava Camp, 41.669858 -121.614827, 1829m
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Tim Messick 413 1979-06-13
United States, California, Mono, Cliff across Clearwater creek from road to Bodie, 0.1 mi. W of Cinnabar Canyon, 38.1648 -119.1527, 2195m
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Tim Messick 1116 1980-07-08
United States, California, Mono, E of road between Masonic Upper and Lower Towns; 0.3 mi. from Lower Town, 38.3629 -119.113, 2363m
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Tim Messick 631 1979-06-26
United States, California, Mono, S edge of Mormon Meadow, 0.2 mi. W of road from Mormon Meadow to Bridgeport Canyon, 38.1598 -119.1384, 2232m
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Tim Messick 481 1979-06-16
United States, California, Mono, Near mine E of Bridgeport Canyon Rd, 0.6 mi. S of Mormon Meadow, 38.16296 -119.130629, 2302m
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G.M. Riegel 1087 1980-08-20
United States, California, Modoc, S Warner Mtns.
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G.M. Riegel 823c 1980-07-03
United States, California, Modoc, S Warner Mtns., 41.332435 -120.201886, 1829m
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Thomas W. Nelson; Jane Nelson 6018 1980-07-06
United States, California, Lassen, Along Adin-Madeline Rd. 0.5 mi. W of Moll Reservoir., 41.10309 -120.79021, 1585m
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Cox; Dunn, Harmon 458 1968-06-21
United States, California, Mariposa, Tioga Pass Rd, 9.7 mi. E of junction with Big Oak Flat Rd. and Tioga Rd, 38 mi. W of Tuolumne Meadow, 20.1 mi. W of Yosemite Creek, Yosemite National Park, 1829m
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Helen Constantine-Shull 418 1995-07-10
United States, California, Mono, SE facing pumice slope along Glass Creek above falls, 37.7442 -119.0327, 2582m
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Helen Constantine-Shull 364 1994-08-07
United States, California, Mono, Deadman Pass on San Joaquin Ridge, 37.6881 -119.0693, 2982m
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Unknown sn 1961-06-00
United States, California, Orange, Vacant lot in Balboa, 33.60447 -117.91386
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Ruby Van Deventer sn 1964-10-00
United States, Oregon, Josephine, Waldo, 42.060355 -123.6493727
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Thomas W. Nelson; Jane Nelson 7599 1983-08-17
United States, California, San Benito, Along Anzar Rd, at underpass under State Route 101, 9 mi. S of Gilroy
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Thomas W. Nelson; Jane Nelson 7619 1984-05-11
United States, California, Mendocino, North end of Ukiah; along north side of Ford St. and east of State St., 39.1749781 -123.2066942, 180m
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R.E. Jones 35 1966-04-04
United States, California, San Mateo, Ano Nuevo Beach, 37.117284 -122.310144
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J.M. DiTomaso 953 1979-05-11
United States, California, Shasta, Carr Powerhouse Rd. at Crystal Creek Conservation Camp, W of Whiskeytown Lake, 412m
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K. Berg 532 1984-04-22
United States, Oregon, Coos, Mouth of Coquille River, along road from Bullards Beach State Park to lighthouse, 1 mi. N of lighthouse, 43.1356314 -124.4181907
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Gladys L. Smith 5306 1979-05-24
United States, California, Mendocino, End of Ward Ave, MacKerricher State Park, 39.497311 -123.788634, 6m
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Clare R. Wheeler 1168 1979-06-06
United States, California, Mendocino, Hwy. 128, 7 mi. E of Hwy. 1, 39.166365 -123.645113, 23m
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Lisa Sedlacek 15 1978-04-18
United States, California, Butte, 25 yds. down from junction Hwy. 99 and Broyles Rd, NW corner of Butte County, 39.8634 -121.9587, 61m
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L. Ahart 3950 1983-05-04
United States, California, Sutter, Along edge of Pass Rd, 4 mi. W of Kellogg Rd, Sutter Buttes, 39.188333 -121.8575, 46m
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L. Ahart 2795 1981-05-16
United States, California, Butte, Gray Lodge Waterfowl Management Area, 11 mi. SW of Gridley, 39.326944 -121.831111, 30m
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F. Bowcutt 1999b 1995-06-08
United States, California, Mendocino, 80 air mi. S of Eureka, Wheeler on way to beach, N of Anderson Cliffs, 39.880557 -123.904313
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J.P. Smith; & J.O. Sawyer 12,688 2009-10-04
United States, California, Humboldt, Growing along rock pathway at Wedding Rock, Patricks Point State Park, 41.14102 -124.16169, 44m
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D.J. Wilder 6 1965-04-19
United States, California, Solano, 3 mi. from Rio Vista on Airport Rd, Church Ranch, 38.180326 -121.696525
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Teresa Prendusi sn 1977-04-23
United States, California, Lake, 0.4 mi. N of Hwy. 20 on Walker Ridge Rd., 39.0281 -122.45321, 640m
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L.P. Janeway 257 1983-05-01
United States, California, Humboldt, W of Samoa Rd. and N of Coast Guard lands, 40.83611 -124.175, 6m
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Thomas W. Nelson; Jane Nelson 5148 1980-05-03
United States, California, Napa, Along Butts Canyon Rd. N of Pope Valley, 38.687978 -122.446778, 274m
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Thomas W. Nelson; Jane Nelson 5161 1980-05-03
United States, California, Napa, Junction of Butts Canyon Rd. & Snell Valley Rd., 38.695488 -122.444781, 197m
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L. Ahart 4854 1984-04-24
United States, California, Butte, Peter Ahart Ranch, 2 mi. N and .5 mi. E of Honcut, 12 mi. S of Oroville, 39.358086 -121.524516, 37m
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L. Ahart 10741 2004-04-14
United States, California, Butte, S side of Lower Honcut Rd, 100 yds. W of Wyandotte Creek, 1/8 mi. W of Railroad, 1.75 mi. W of Honcut., 39.3264 -121.56805, 27m
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J.P. Smith 12,869 2010-05-18
United States, California, Shasta, Along Iron Mountain Road at junction with Market Street, 40.61991 -122.46368
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L. Ahart 17851 2012-04-09
United States, California, Butte, Upper Bidwell Park, ~1.0 air mi. NE of Chico; north side of South Rim Trail, west of the power lines., 39.76872222 -121.7677222, 143m