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Carl C. Marshall 215 1886-05-00
United States, California, Humboldt, Roadsides, etc. Humboldt Bay., 40.833696 -124.131426
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T.O. Osborne 97 1970-08-13
United States, California, Del Norte, Castle Island, 2.25 mi. W, 1.25 mi. N Battery Point Lighthouse, 41.761534 -124.249079
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J.P. Smith 5106 1972-03-23
United States, California, Tehama, 3.2 mi. N of the Tehama Co. line on Lassen Rd. adjacent to Hwy. 99, 39.913541 -122.008316
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J.P. Smith 5844 1973-03-04
United States, California, Sonoma, Near Geyserville
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Thomas W. Nelson 599 1971-11-11
United States, California, Humboldt, Foot of Murray Rd, McKinleyville., 40.956446 -124.126317
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Peter Sorensen sn 1976-08-08
United States, California, Humboldt, King Salmon, 40.7398 -124.2194
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Diane L. Reed 70 1978-05-07
United States, California, Humboldt, E fork of Willow Creek, 34 mi. from Hwy. 101 on Hwy. 299, 40.903157 -123.709505
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Mark Flippo 62A 1978-05-13
United States, California, Shasta, Beegum Gorge Rd. (FS Rd. 1S02), 40.33084 -122.91787, 976m
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J.P. Smith; Steve Selva 4012 1970-06-16
United States, California, Siskiyou, 4 mi. from Hwy. 3 on Rd. 8 to Sugar Creek, 41.329259 -122.882925, 1159m
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J.P. Smith; J.O. Sawyer, Thomas W. Nelson 9692 1978-04-09
United States, California, Shasta, County Rd. A16, 7 mi. from junction with Hwy. 36, 40.385425 -122.828958, 671m
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Linda M. Barker 498 1975-05-24
United States, California, Del Norte, Old Gasquet Toll Rd, 0.2 mi. N of southern entrance, 41.850042 -123.9535, 145m
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D.A. Shally 36 1965-04-18
United States, California, Contra Costa, Canyon 1 mi. N of Canyon Store, 37.845551 -122.166116
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S.N. Wiemeyer 26 1962-04-20
United States, California, Sonoma, 0.75 mi. E of County Hospital along Chanate Rd., 38.472313 -122.694435, 122m
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John W. Harlan 65 1962-04-23
United States, California, Fresno, Along Conejo Ave. 1/4 mi. W of Hwy. 99, 36.510729 -119.565918
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V.G. Vieira 40 1963-05-02
United States, California, Humboldt, Butler Valley Ranch, 40.772912 -123.902574
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R.S. White 612657 1965-06-12
United States, Oregon, Josephine, Cave Junction, 42.1657124 -123.6462052
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R.C. Wunner 309 1965-06-29
United States, California, Siskiyou, California Lava Beds National Monument; Indian Wells Campground, lower loop, 41.713376 -121.497896, 1433m
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C.S. Apperson sn 1967-06-03
United States, California, Los Angeles, 14 mi. from Gorman on Ave. D, 34.781736 -118.581054
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M.T. Milligan 295 1965-06-23
United States, California, Modoc, N end Jess Valley, 41.25536 -120.30304, 1616m
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Francis Winter sn 1960-04-23
United States, California, Humboldt, 4 mi. N of Dollar Ranch, on Korbel-Maple Creek Rd., 40.82123 -123.891932, 244m
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Linda M. Barker 1036 1975-06-26
United States, California, Del Norte, Old Gasquet Toll Rd, 5 mi. N of Patrick Creek junction, 41.954397 -123.821427, 701m
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Ruby Van Deventer sn 1971-06-10
United States, California, Del Norte, Van Deventer Ranch along North Bank Rd., 41.865749 -124.108284
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Kenneth Clark 1360 1981-05-02
United States, California, Humboldt, Point Delgada, Marios Marina, 40.028736 -124.071586, 15m
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Gladys L. Smith 5307 1979-05-24
United States, California, Mendocino, End of Ward Ave, MacKerricher State Park, 39.497311 -123.788634, 6m
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Rohmer; Grefsrud, Reed 44 1990-04-14
United States, California, Lake, Blue Oak Campground, Indian Valley Reservoir Access Road, 2.5 mi. NE of the intersection with Walker Ridge Rd, 39.07 -122.50861, 534m
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Susan H. Bicknell sn 1989-04-17
United States, California, San Luis Obispo, Montano De Oro State Park, MDO 1000, 35.25824 -120.85098
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F. Bowcutt 2022 1995-06-27
United States, California, Mendocino, 80 air mi. S of Eureka. Just NE of Timber Point in Dark Gulch off of Hotel Gulch Rd. NW of Usal about 1.5 mi. At the head of Zig-Zag Rd.- road closure project site, 39.8518 -123.868141, 366m
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F. Bowcutt 1502 1989-07-12
United States, California, Mendocino, 15 mi. SW of Garberville, 60 mi. SSE of Eureka, old home site in garden of Needle Rock Ranch House, 39.939501 -123.957284, 76m
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Vernon H. Oswald; L. Ahart 8014 1996-07-15
United States, California, Plumas, E side of the arm of Lake Almanor extending N from Hwy. 36 causeway, S of the point where the road to Last Chance Campground begins to parallel the lake, High Cascade Range., 40.334167 -121.201944, 1372m
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Cara Witte 533 2007-07-17
United States, California, Humboldt, Intersection of 6N01B and National Forest 1., 40.823865 -123.700845, 1427m
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Sarah Chaney SMC 127 2003-05-04
United States, California, Santa Barbara, Former NPS compound