HSC
J.P. Smith; J.O. Sawyer 5126 1972-04-01
United States, California, Lake, 0.2 mi. N of junction of Hwy. 20 and Walker Ridge Rd., 39.02567 -122.45205
HSC
Maralyn OMeara 317 1974-05-04
United States, California, Lake, Along Walker Ridge Rd. 0.5 mi. N from junction with Hwy. 20, 39.02872 -122.4516, 671m
HSC
Gary S. Lester 131 1974-05-04
United States, California, Lake, Along Walker Ridge Rd, 0.5 mi. from junction with Hwy. 20, 39.02872 -122.4516, 671m
HSC
Thomas W. Nelson; D.E. Anderson 863 1973-05-06
United States, California, Mendocino, Along Jeep-road to Roberts Lake N of Eden Valley, 39.64911 -123.183193, 701m
HSC
Dryden 156 1975-05-03
United States, California, Lake, Butts Canyon Rd, 8.7 mi E of Hwy. 29 along Butts Canyon Creek, 38.713323 -122.474708, 549m
HSC
Margriet Wetherwax 127 1975-05-03
United States, California, Lake, 8.7 miles E of SR 29 along Butts Canyon Creek on Butts Canyon Rd., 38.713323 -122.474708, 549m
HSC
John Rehling; Robert M. Specht 216A 1976-03-17
United States, California, Lake, 3.1 mi. N of Middletown on Hwy. 29, 38.79437 -122.56657
HSC
Robert M. Specht 648 1977-04-13
United States, California, Napa, 38.835948 -122.350902, 524m
HSC
Barbara Kelly 328 1977-04-23
United States, California, Lake, 0.4 mi. N of Hwy. 20 on the Walker Ridge Rd., 39.0281 -122.45321, 640m
HSC
J.P. Smith; J.O. Sawyer 9791 1978-04-29
United States, California, Colusa, Just W of Walker Ridge Rd. intersection with Bartlett Springs Rd., 39.063586 -122.488386
HSC
Thomas W. Nelson; Jane P. Nelson 3934 1978-04-29
United States, California, Colusa, Along Bear Valley Rd, 2 mi. from the junction with State Route 20., 39.02 -122.38, 366m
HSC
J.P. Smith 8073 1975-05-03
United States, California, Lake, Butts Canyon Rd, 9.1 mi. from its junction with Hwy. 29, 305m
HSC
J.P. Smith; Thomas W. Nelson 8593 1976-04-14
United States, California, Glenn, Sanhedrin Rd. (Rd. 309), 5.5 mi. W of its junction with Rd. 306 in Elk Creek, 39.631715 -122.676058, 305m
HSC
J.P. Smith 7355 1974-05-04
United States, California, Lake, 0.5 mi. N of junction of Hwy. 20 and Walker Ridge Rd., 39.02872 -122.4516, 671m
HSC
J.P. Smith 6640 1973-05-06
United States, California, Trinity, Blanchert Flats near Douglas City, 40.593826 -122.916193
HSC
Thomas W. Nelson; Jane P. Nelson 4637 1979-04-13
United States, California, Glenn, Along FS Rd. 18N01 at junction with County Rd., 39.414154 -122.551762
HSC
J.P. Smith; Thomas W. Nelson, Jane P. Nelson 9543 1978-04-02
United States, California, Colusa, Bear Valley Rd, 1.3 mi. from its junction with Hwy. 20, 39.01452 -122.37688, 366m
HSC
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
HSC
Thomas W. Nelson; Jane P. Nelson 5142 1980-05-03
United States, California, Napa, Along Butts Canyon Rd. N of Pope Valley, 38.687978 -122.446778, 274m
HSC
Thomas W. Nelson 4672 1979-05-13
United States, California, Trinity, At junction of county roads NE of Rees Brothers Coal Mine., 40.595193 -122.923199, 579m
HSC
Clare R. Wheeler 954A 1979-04-28
United States, California, Mendocino, Rte. 253 about 1 mi NE of Boonville, 39.000331 -123.340494, 137m
HSC
Steve Boyd 1772 1986-04-22
United States, California, Riverside, Temescal Canyon: E side of Indian Wash, S of I-15., 33.74194 -117.44556
HSC
Steve Boyd 1588 1986-04-02
United States, California, Riverside, Gavilan Plateau, Gavilan Hills, Harford Springs County Park., 33.80361 -117.355, 610m