ASC
ASC00027508 D. McNeal 562 1971-05-01
United States, California, Sonoma, Above the Occidental-Monte Rio Rd, 2.9 mi N of Occidental, 38.449459 -122.948331
NY
185747 F. W. Hoffman 2323 1948-06-08
United States of America, California, Sonoma Co., North Coast Ranges; Great Eastern Quicksilver Mine near Guerneville
PUA
31317 Bill Grummer 1979-05-29
United States, California, Sonoma, Local landmark: Robert L. Stevenson Mem. Park. Mt. St. Helena Quad., 38.682028 -122.6315, 945m
PUA
16805 G.L. Clifton 1974-05-05
United States, California, Sonoma, Local landmark: Ida Clayton Road. Mt. St. Helena Quad., 38.652472 -122.667, 390m
CalBG:RSA
RSA0121906 Patricia Wilder 3629 1965-06-09
United States, California, Sonoma, 2.5 mi up Los Alamos Road from CA State Hwy 12; Rincon Ridge. North Coast mtn range, Russian River drainage., 305m
Harvard:GH
00422160 F. W. Hoffman 2346 1948-06-16
United States of America, California, Sonoma County, Dorr's Cabin, upper East Austin Creek
Harvard:GH
00422161 F. W. Hoffman 2335 1948-06-01
United States of America, California, Sonoma County, Dutch bill Creek near Camp Meeker
Harvard:GH
00422162 F. W. Hoffman 1064 1947-07-30
United States of America, California, Sonoma County, Quicksilver Mines, near Guerneville
Harvard:GH
00019699 F. W. Hoffman 2323 1948-06-08
United States of America, California, Great Eastern Quicksilver Mine near Guerneville, North Coast Ranges
Harvard:GH
00422163 R. F. Hoover 5084 1941-05-14
United States of America, California, Sonoma County, Three miles south of Monte Rio on road to Camp Meeker
Harvard:GH
00422164 J. T. Howell 13077 1937-07-04
United States of America, California, Sonoma County, Near Petrified Forest
Harvard:GH
00422165 F. W. Hoffman 3397 1950-05-21
United States of America, California, Sonoma County, Coleman Valley
Harvard:GH
00422166 F. W. Hoffman 2785 1949-05-22
United States of America, California, Sonoma County, Gabes Rock on Poole Ridge 1.0 mile northwest of Guerneville
Harvard:GH
00422167 R. C. Rollins 2863 1942-05-10
United States of America, California, Sonoma County, Four miles north of Geyserville, 61m
Harvard:GH
00422168 F. W. Hoffman 3396 1950-05-25
United States of America, California, Sonoma County, Great Eastern Quicksilver Mines near Guerneville
Harvard:GH
00422169 F. W. Hoffman 3208 1948-08-18
United States of America, California, Sonoma County, Cazadero road from Guerneville to Cazadero
Harvard:GH
00422170 F. W. Hoffman 3363 1950-05-27
United States of America, California, Sonoma County, Fred McMurray ranch near Porter Creek
Harvard:GH
00422171 H. E. Parks & S. T. Parks 0835 1900-05-10
United States of America, California, Sonoma County, west end of Knights Valley
Harvard:GH
00422172 F. W. Hoffman 1063 1947-07-29
United States of America, California, Sonoma County, Gabe's Rock near Guerneville