WS
27514 F.W. Hoffman 2514 1948-06-27
U.S.A., California, Colusa, Upper Letts Valley. NW Coulusa County., 39.42722 -123.35583, 4300m
WS
150334 A.A. Heller 15577 1940-05-06
U.S.A., California, Colusa, 2 miles west of junction with Highway #16, on State Highway #20.
WS
217742 G. Thomas Robbins 3332 1950-04-16
U.S.A., California, Colusa, West & above junction of Middle & North Forks of Stony Creek, about 6 miles west of Stonyford., 39.375226 -122.655572
WS
218422 Helen K. Sharsmith 4403 1953-07-01
U.S.A., California, Colusa, Linger Longer Camp, Goat Mountain Mendocino National Forest., 39.26028 -122.71361
WS
241232 Rimo Bacigalupi 3126 1950-04-16
U.S.A., California, Colusa, Along road down middle of Bear valley, about B.M. 1326., 39.07639 -122.41528
WS
273829 F.W. Hoffman 2804 1949-05-15
U.S.A., California, Colusa, 11.0 miles east of Hough Springs, Bartlett Springs-Leesville Road., 39.189259 -122.216767
WS
278399 G. Thomas Robbins, L.R. Heckard 3717 1956-07-25
U.S.A., California, Colusa, Dark Hollow Creek (a tributary of Middle Fork Stony Creek), on southern flank of Snow Mountain east, at lower edge of cirque between Snow Mountain, west & Snow Mountain east., 39.37778 -122.65083, 6500 - 6600m
WS
292500 D.W. McNeal 2029 1977-05-18
U.S.A., California, Colusa, On the hillside above Hwy. #20, 019(?) miles west of the jct. of Highway16.
WS
389902 Richard R. Halse 7851 2010-03-25
U.S.A., California, Colusa, Along State Hwy. 20 ca. 10.7 miles southwest of its junction with Interstate Hwy. 5 at Williams; in Salt Canyon., 39.10432 -122.32714, 154m
WS
389700 Richard R. Halse 8760 2013-03-27
U.S.A., California, Colusa, Along State Hwy. 20 just east of the Colusa/Lake County Line, ca. 14.6 miles east of the junction of State Hwy. 20 and 53., 39.01104 -122.40838, 558m
WS
389698 Richard R. Halse 8761 2013-03-27
U.S.A., California, Colusa, Along State Hwy. 20 just east of the Colusa/Lake County Line, ca. 14.6 miles east of the junction of State Hwys. 20 and 53., 39.01104 -122.40838, 558m
WS
389537 Richard R. Halse 8457 2012-03-29
U.S.A., California, Colusa, Along State Hwy. 20 ca. 6.8 miles northeast of its junction with State Hwy. 16., 39.10135 -122.33631, 176m
WS
389536 Richard R. Halse 8458 2012-03-29
U.S.A., California, Colusa, Along State Highway 20 just east of the Lake County line, ca. 14.6 miles east of the junction with State Highway 53., 39.01104 -111.517823, 558m
WS
389899 Richard R. Halse 7829 2010-03-21
U.S.A., California, Colusa, Along State Highway 20 ca. 10.7 miles southwest of its junction with Interstate Highway 5at Williams; in Salt Canyon., 39.10432 -122.32714, 154m
WS
389709 Richard R. Halse 8456 2012-03-29
U.S.A., California, Colusa, Along State Highway 20 ca. 6.8 miles northeast of its junction with State Highway 16., 39.10135 -122.33631, 176m