Mines in California

Below is a list of California Mines associated with the atlases in our collection. To see the complete list of California atlases use our Geographic Browse function or Search. By clicking the Geocode Button (if available), you will be shown a list of individual maps which covers that geographic area as well as location of the point of interest highlighted on a modern map.

< Back to category list for California

HINT: The multiple years listed after an atlases name indicates additional atlases within the collection. In the following example:

University of Michigan (Ann Arbor Campus)
Washtenaw County 1915, 1874, 1895, 1957, 1960, 1964, 1967, 1970, 1973, 1975, 1977, 1979, 1981, 1982, 1985, 1987, 1989, 1991, 1994, 1997, 1999

There are 21 individual Washtenaw County atlases spanning 84 years. Click each to see the development over time.

You can also find Mines
within these California map groups:

California 1851 Mining Districts Map

California - Texas - Oregon 1856 State Map

California 1856 State Map

California 1888 State Map

California State Map 1893

California State Map 1895 Roads for Cycler...

Showing Page 19 of 31
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Number Nine Mine

Maps that contain this point of interest:
Fresno County, Fresno County 1907
Fresno County 1980 to 1996 Mylar, Fresno County 1980 to 1996
Fresno County 1980 to 1996 Tracing, Fresno County 1980 to 1996
Madera County 1980 to 1996 Mylar, Madera County 1980 to 1996
Madera County 1980 to 1996 Tracing, Madera County 1980 to 1996
Mariposa County 1980 to 1996 Mylar, Mariposa County 1980 to 1996
Mariposa County 1980 to 1996 Tracing, Mariposa County 1980 to 1996
Merced County 1980 to 1996 Mylar, Merced County 1980 to 1996
Merced County 1980 to 1996 Tracing, Merced County 1980 to 1996
San Francisco Bay District 1980 to 1996 Eight Counties Tracing, San Francisco Bay District 1980 to 1996 Eight Counties
Atlases of this county (Mariposa):
Mariposa County 1980 to 1996

Nunsinger Prospect

Nutmeg Mine

Nyman Consolidated Mine

Maps that contain this point of interest:
Stanislaus County 1939, Stanislaus County 1939
Tuolumne County 1939, Tuolumne County 1939
Tuolumne County 1975c, Tuolumne County 1975c
Tuolumne County 1953, Tuolumne County 1953
Stanislaus County 1950c, Stanislaus County 1950c
Calaveras County 1980 to 1996 Mylar, Calaveras County 1980 to 1996
Calaveras County 1980 to 1996 Tracing, Calaveras County 1980 to 1996
Stanislaus County 1980 to 1996 Mylar, Stanislaus County 1980 to 1996
Stanislaus County 1980 to 1996 Tracing, Stanislaus County 1980 to 1996
Tuolumne County 1980 to 1996 Mylar, Tuolumne County 1980 to 1996
Tuolumne County 1980 to 1996 Tracing, Tuolumne County 1980 to 1996
San Francisco Bay District 1980 to 1996 Eight Counties Mylar, San Francisco Bay District 1980 to 1996 Eight Counties
San Francisco Bay District 1980 to 1996 Eight Counties Tracing, San Francisco Bay District 1980 to 1996 Eight Counties
Atlases of this county (Tuolumne):
Tuolumne County 1939, 1953
Tuolumne County 1975c
Tuolumne County 1980 to 1996

Oak Canyon Mine

Maps that contain this point of interest:
San Diego County 1948 Road Map, San Diego County 1948 Road Map
San Diego County 1980 to 1996 Mylar, San Diego County 1980 to 1996
San Diego County 1980 to 1996 Tracing, San Diego County 1980 to 1996
Atlases of this county (San Diego):
National City 1920c San Diego County
San Diego County 1948 Road Map
San Diego County 194x, 1956
San Diego County 1980 to 1996

Oak Hill Mine

Maps that contain this point of interest:
Stanislaus County 1939, Stanislaus County 1939
Tuolumne County 1939, Tuolumne County 1939
Tuolumne County 1975c, Tuolumne County 1975c
Tuolumne County 1953, Tuolumne County 1953
Stanislaus County 1950c, Stanislaus County 1950c
Madera County 1980 to 1996 Mylar, Madera County 1980 to 1996
Madera County 1980 to 1996 Tracing, Madera County 1980 to 1996
Stanislaus County 1980 to 1996 Mylar, Stanislaus County 1980 to 1996
Stanislaus County 1980 to 1996 Tracing, Stanislaus County 1980 to 1996
Tuolumne County 1980 to 1996 Mylar, Tuolumne County 1980 to 1996
Tuolumne County 1980 to 1996 Tracing, Tuolumne County 1980 to 1996
San Francisco Bay District 1980 to 1996 Eight Counties Mylar, San Francisco Bay District 1980 to 1996 Eight Counties
San Francisco Bay District 1980 to 1996 Eight Counties Tracing, San Francisco Bay District 1980 to 1996 Eight Counties
Atlases of this county (Tuolumne):
Tuolumne County 1939, 1953
Tuolumne County 1975c
Tuolumne County 1980 to 1996

Oak Mesa Mine

Oak Ridge Quarry

Oaks and Reese Mine

Maps that contain this point of interest:
Madera County 1980 to 1996 Mylar, Madera County 1980 to 1996
Madera County 1980 to 1996 Tracing, Madera County 1980 to 1996
Mariposa County 1980 to 1996 Mylar, Mariposa County 1980 to 1996
Mariposa County 1980 to 1996 Tracing, Mariposa County 1980 to 1996
Merced County 1980 to 1996 Mylar, Merced County 1980 to 1996
Merced County 1980 to 1996 Tracing, Merced County 1980 to 1996
San Francisco Bay District 1980 to 1996 Eight Counties Tracing, San Francisco Bay District 1980 to 1996 Eight Counties
Atlases of this county (Mariposa):
Mariposa County 1980 to 1996

Oat Hill Extension Mine

Maps that contain this point of interest:
Sonoma County Sectional Map, Sonoma County 1957
Sonoma County Map, Sonoma County 1907
Sonoma County 1975c, Sonoma County 1975c
Lake County 1942, Lake County 1942
Lake County 1980 to 1996 Mylar, Lake County 1980 to 1996
Lake County 1980 to 1996 Tracing, Lake County 1980 to 1996
Napa County 1980 to 1996 Mylar, Napa County 1980 to 1996
Napa County 1980 to 1996 Tracing, Napa County 1980 to 1996
Sonoma County 1940c, Sonoma County 1940c
Sonoma County 1980 to 1996 Mylar, Sonoma County 1980 to 1996
Sonoma County 1980 to 1996 Tracing, Sonoma County 1980 to 1996
Atlases of this county (Napa):
Napa County 1876, 1895
Napa County 1955c
Napa County 1980 to 1996

Oat Hill Mine

Occidental Mine

Maps that contain this point of interest:
Placer County 1975c, Placer County 1975c
Nevada County 1980 to 1996 Mylar, Nevada County 1980 to 1996
Nevada County 1980 to 1996 Tracing, Nevada County 1980 to 1996
Placer County 1980 to 1996 Mylar, Placer County 1980 to 1996
Placer County 1980 to 1996 Tracing, Placer County 1980 to 1996
Atlases of this county (Placer):
Placer County 1975c
Placer County 1980 to 1996

Occidental Mine

Maps that contain this point of interest:
Imperial County 1948 Road Map, Imperial County 1948 Road Map
Imperial County 1950c, Imperial County 1950c
Imperial County 1980 to 1996 Mylar, Imperial County 1980 to 1996
Imperial County 1980 to 1996 Tracing, Imperial County 1980 to 1996
Atlases of this county (Imperial):
Imperial County 1948 Road Map
Imperial County 1950c
Imperial County 1980 to 1996

Ocean View Mine

Atlases of this county (San Luis Obispo):
San Luis Obispo County 1948 Road Map
San Luis Obispo County 1975c
San Luis Obispo County 1980 to 1996

Oceanie Mine

Atlases of this county (San Luis Obispo):
San Luis Obispo County 1948 Road Map
San Luis Obispo County 1975c
San Luis Obispo County 1980 to 1996

Oceola Mine

Maps that contain this point of interest:
Nevada County 1980 to 1996 Mylar, Nevada County 1980 to 1996
Nevada County 1980 to 1996 Tracing, Nevada County 1980 to 1996
Sierra County 1980 to 1996 Mylar, Sierra County 1980 to 1996
Sierra County 1980 to 1996 Tracing, Sierra County 1980 to 1996
Atlases of this county (Sierra):
Sierra County 1955c
Sierra County 1980 to 1996

Ohio Mine

Maps that contain this point of interest:
Stanislaus County 1939, Stanislaus County 1939
Tuolumne County 1939, Tuolumne County 1939
Tuolumne County 1975c, Tuolumne County 1975c
Tuolumne County 1953, Tuolumne County 1953
Stanislaus County 1950c, Stanislaus County 1950c
Calaveras County 1980 to 1996 Mylar, Calaveras County 1980 to 1996
Calaveras County 1980 to 1996 Tracing, Calaveras County 1980 to 1996
Stanislaus County 1980 to 1996 Mylar, Stanislaus County 1980 to 1996
Stanislaus County 1980 to 1996 Tracing, Stanislaus County 1980 to 1996
Tuolumne County 1980 to 1996 Mylar, Tuolumne County 1980 to 1996
Tuolumne County 1980 to 1996 Tracing, Tuolumne County 1980 to 1996
San Francisco Bay District 1980 to 1996 Eight Counties Mylar, San Francisco Bay District 1980 to 1996 Eight Counties
San Francisco Bay District 1980 to 1996 Eight Counties Tracing, San Francisco Bay District 1980 to 1996 Eight Counties
Atlases of this county (Calaveras):
Calaveras County 1955c
Calaveras County 1980 to 1996

Ok Mine

Old Allison Ranch Mine

Old American Mine

Maps that contain this point of interest:
Shasta County 1955c, Shasta County 1955c
Trinity County 1975c, Trinity County 1975c
Shasta County 1975c, Shasta County 1975c
Shasta County 1980 to 1996 Mylar, Shasta County 1980 to 1996
Shasta County 1980 to 1996 Tracing, Shasta County 1980 to 1996
Trinity County 1980 to 1996 Mylar, Trinity County 1980 to 1996
Trinity County 1980 to 1996 Tracing, Trinity County 1980 to 1996
Page 114 - Township 33 N., Ranges 7 W. and 8 W., French Gulch, Highland Ridge, Shasta County 1959
Atlases of this county (Shasta):
Shasta County 1955c
Shasta County 1955c Published by Harry Freese
Shasta County 1959
Shasta County 1975c
Shasta County 1980 to 1996

Old Bill Mine

Maps that contain this point of interest:
Trinity County 1975c, Trinity County 1975c
Trinity County 1980 to 1996 Mylar, Trinity County 1980 to 1996
Trinity County 1980 to 1996 Tracing, Trinity County 1980 to 1996
Page 053 - Township 28 N. Range 11 W., Trinity County 1955
Atlases of this county (Trinity):
Trinity County 1955
Trinity County 1975c
Trinity County 1980 to 1996

Old Brunswick Mine

Old Channel Mine Shaft

Old Chinese Mine

Maps that contain this point of interest:
Amador County 1980 to 1996 Mylar, Amador County 1980 to 1996
Amador County 1980 to 1996 Tracing, Amador County 1980 to 1996
El Dorado County 1980 to 1996 Mylar, El Dorado County 1980 to 1996
El Dorado County 1980 to 1996 Tracing, El Dorado County 1980 to 1996
Atlases of this county (El Dorado):
El Dorado County 1895 Wall Map
El Dorado County 1909c
El Dorado County 1980 to 1996

Old Copper Mine

Maps that contain this point of interest:
Fresno County, Fresno County 1907
Tulare County, Tulare County 1892
Fresno County 1980 to 1996 Mylar, Fresno County 1980 to 1996
Fresno County 1980 to 1996 Tracing, Fresno County 1980 to 1996
Tulare County 1980 to 1996, Tulare County 1980 to 1996
Atlases of this county (Tulare):
Tulare County 1892
Tulare County 1919 - Automobile Road Map
Tulare County 1948 Road Map
Tulare County 1980 to 1996

Old Dominion Mine

Maps that contain this point of interest:
Riverside County 1975c, Riverside County 1975c
Orange County 1980 to 1996 Mylar, Orange County 1980 to 1996
Orange County 1980 to 1996 Tracing, Orange County 1980 to 1996
Atlases of this county (Orange):
Orange County 1889 Wall Map
Los Angeles and Orange Counties 1912 Railway Map
Orange County 1920 Huntington Beach and Newport Oil Fields
Orange County 1961
Orange County 1980 to 1996

Old Dominion Mine

Old Empire Mine

Old Eureka Mine

Maps that contain this point of interest:
Amador County 1980 to 1996 Mylar, Amador County 1980 to 1996
Amador County 1980 to 1996 Tracing, Amador County 1980 to 1996
Calaveras County 1980 to 1996 Mylar, Calaveras County 1980 to 1996
Calaveras County 1980 to 1996 Tracing, Calaveras County 1980 to 1996
Atlases of this county (Amador):
Amador County 1866 Wall Map
Amador County 1950c, 955c
Amador County 1980 to 1996

Old Jim Mine

Maps that contain this point of interest:
Placer County 1975c, Placer County 1975c
El Dorado County 1980 to 1996 Mylar, El Dorado County 1980 to 1996
El Dorado County 1980 to 1996 Tracing, El Dorado County 1980 to 1996
Placer County 1980 to 1996 Mylar, Placer County 1980 to 1996
Placer County 1980 to 1996 Tracing, Placer County 1980 to 1996
Atlases of this county (El Dorado):
El Dorado County 1895 Wall Map
El Dorado County 1909c
El Dorado County 1980 to 1996

Old Mammoth Mine

Maps that contain this point of interest:
Mono County 1980 to 1996 Mylar, Mono County 1980 to 1996
Atlases of this county (Mono):
Mono County 1950c
Mono County 1980 to 1996

Old Pete Mine

Old Senator Mine

Old Spanish Mine

Maps that contain this point of interest:
Shasta County 1955c, Shasta County 1955c
Trinity County 1975c, Trinity County 1975c
Shasta County 1975c, Shasta County 1975c
Shasta County 1980 to 1996 Mylar, Shasta County 1980 to 1996
Shasta County 1980 to 1996 Tracing, Shasta County 1980 to 1996
Trinity County 1980 to 1996 Mylar, Trinity County 1980 to 1996
Trinity County 1980 to 1996 Tracing, Trinity County 1980 to 1996
Page 092 - Township 30 N., Range 5 W., Olinda, Happy Valley, Shasta County 1959
Page 094 - Township 32 N., Range 5 W., Redding, Keswick, Newtown, Buckeye, Silverthorn, Matheson, Shasta County 1959
Atlases of this county (Shasta):
Shasta County 1955c
Shasta County 1955c Published by Harry Freese
Shasta County 1959
Shasta County 1975c
Shasta County 1980 to 1996

Old Swede Mine

Maps that contain this point of interest:
Riverside County 1975c, Riverside County 1975c
San Bernardino County 1980 to 1996 Northeast Quarter - Mylar, San Bernardino County 1980 to 1996
San Bernardino County 1980 to 1996 Northeast Quarter - Tracing, San Bernardino County 1980 to 1996
San Bernardino County 1980 to 1996 Southwest Quarter - Tracing, San Bernardino County 1980 to 1996
Atlases of this county (Riverside):
Riverside County 1948 Road Map
Riverside County 1975c
Riverside County 1980 to 1996

Old Utah Mine

Old Virginia Mine

Old Vore Mine

Maps that contain this point of interest:
Placer County 1975c, Placer County 1975c
El Dorado County 1980 to 1996 Mylar, El Dorado County 1980 to 1996
El Dorado County 1980 to 1996 Tracing, El Dorado County 1980 to 1996
Placer County 1980 to 1996 Mylar, Placer County 1980 to 1996
Placer County 1980 to 1996 Tracing, Placer County 1980 to 1996
Atlases of this county (Placer):
Placer County 1975c
Placer County 1980 to 1996

Olives Spring Quarry

Maps that contain this point of interest:
Map 010, Redwood, Almaden, Llagas, Uvas, Gilroy, Adams, Live Oak, Santa Clara County 1876
Santa Clara County 1975c, Santa Clara County 1975c
Santa Cruz County 1975c, Santa Cruz County 1975c
Santa Clara County 1980 to 1996 Mylar, Santa Clara County 1980 to 1996
Santa Clara County 1980 to 1996 Tracing, Santa Clara County 1980 to 1996
Santa Cruz County 1980 to 1996 Mylar, Santa Cruz County 1980 to 1996
Santa Cruz County 1980 to 1996 Tracing, Santa Cruz County 1980 to 1996
San Francisco Bay District 1980 to 1996 Eight Counties Mylar, San Francisco Bay District 1980 to 1996 Eight Counties
San Francisco Bay District 1980 to 1996 Eight Counties Tracing, San Francisco Bay District 1980 to 1996 Eight Counties
Atlases of this county (Santa Cruz):
Santa Cruz County 1889 Wall Map
Santa Cruz County 1975c
Santa Cruz County 1980 to 1996

Olsen Mine

Maps that contain this point of interest:
Siskiyou County 1975c, Siskiyou County 1975c
Siskiyou County 1980 to 1996 Mylar, Siskiyou County 1980 to 1996
Siskiyou County 1980 to 1996 Tracing, Siskiyou County 1980 to 1996
Page 098 - Township 47 N. Range 6 W., Hornbrook, Henley, Klamathon, Siskiyou County 1957
Atlases of this county (Siskiyou):
Siskiyou County 1957
Siskiyou County 1975c, 975c
Siskiyou County 1980 to 1996

Olympus Mine

Omaha Mine

Omega Diggings

Maps that contain this point of interest:
Nevada County 1980 to 1996 Mylar, Nevada County 1980 to 1996
Nevada County 1980 to 1996 Tracing, Nevada County 1980 to 1996
Atlases of this county (Nevada):
Nevada County 1880 Wall Map
Nevada County 1916
Nevada County 1955c
Nevada County 1980 to 1996

Omega Mine

Omo Mine

One Hundred Dollar Mine

Maps that contain this point of interest:
Trinity County 1975c, Trinity County 1975c
Siskiyou County 1975c, Siskiyou County 1975c
Siskiyou County 1980 to 1996 Mylar, Siskiyou County 1980 to 1996
Siskiyou County 1980 to 1996 Tracing, Siskiyou County 1980 to 1996
Trinity County 1980 to 1996 Mylar, Trinity County 1980 to 1996
Trinity County 1980 to 1996 Tracing, Trinity County 1980 to 1996
Atlases of this county (Siskiyou):
Siskiyou County 1957
Siskiyou County 1975c, 975c
Siskiyou County 1980 to 1996

One Hundred One Mine

Maps that contain this point of interest:
Sierra County 1980 to 1996 Mylar, Sierra County 1980 to 1996
Sierra County 1980 to 1996 Tracing, Sierra County 1980 to 1996
Atlases of this county (Sierra):
Sierra County 1955c
Sierra County 1980 to 1996

Oneida Mine

Ontop Mine

Onyx Mine

Opal Hill Mine

Maps that contain this point of interest:
Riverside County 1975c, Riverside County 1975c
Atlases of this county (Riverside):
Riverside County 1948 Road Map
Riverside County 1975c
Riverside County 1980 to 1996

Ophir Mine

Maps that contain this point of interest:
Tuolumne County 1939, Tuolumne County 1939
Tuolumne County 1975c, Tuolumne County 1975c
Tuolumne County 1953, Tuolumne County 1953
Calaveras County 1980 to 1996 Mylar, Calaveras County 1980 to 1996
Calaveras County 1980 to 1996 Tracing, Calaveras County 1980 to 1996
Tuolumne County 1980 to 1996 Mylar, Tuolumne County 1980 to 1996
Tuolumne County 1980 to 1996 Tracing, Tuolumne County 1980 to 1996
San Francisco Bay District 1980 to 1996 Eight Counties Tracing, San Francisco Bay District 1980 to 1996 Eight Counties
Atlases of this county (Tuolumne):
Tuolumne County 1939, 1953
Tuolumne County 1975c
Tuolumne County 1980 to 1996

Opportunity SubSection Number 4 Prospect

Atlases of this county (Kern):
Bakersfield and Kern County 1901 Bird's Eye View
Kern County 1901
Kern County 1904 - Mines and Minerals
Kern County 1919 Midway and McKittrick Oil Fields
Kern County 1921 Kern River Oil Field
Kern County 1921 Midway and McKittrick Oil Fields
Kern County 1980 to 1996

Ora Grande Mine

Orange Blossom Mine

Orcutt Mine

Maps that contain this point of interest:
Tuolumne County 1939, Tuolumne County 1939
Tuolumne County 1975c, Tuolumne County 1975c
Tuolumne County 1953, Tuolumne County 1953
Calaveras County 1980 to 1996 Mylar, Calaveras County 1980 to 1996
Calaveras County 1980 to 1996 Tracing, Calaveras County 1980 to 1996
Mariposa County 1980 to 1996 Mylar, Mariposa County 1980 to 1996
Mariposa County 1980 to 1996 Tracing, Mariposa County 1980 to 1996
Tuolumne County 1980 to 1996 Mylar, Tuolumne County 1980 to 1996
Tuolumne County 1980 to 1996 Tracing, Tuolumne County 1980 to 1996
San Francisco Bay District 1980 to 1996 Eight Counties Mylar, San Francisco Bay District 1980 to 1996 Eight Counties
San Francisco Bay District 1980 to 1996 Eight Counties Tracing, San Francisco Bay District 1980 to 1996 Eight Counties
Atlases of this county (Tuolumne):
Tuolumne County 1939, 1953
Tuolumne County 1975c
Tuolumne County 1980 to 1996

Orient Mine

Oriental Deposit

Maps that contain this point of interest:
Madera County 1980 to 1996 Mylar, Madera County 1980 to 1996
Madera County 1980 to 1996 Tracing, Madera County 1980 to 1996
Mariposa County 1980 to 1996 Mylar, Mariposa County 1980 to 1996
Mariposa County 1980 to 1996 Tracing, Mariposa County 1980 to 1996
San Francisco Bay District 1980 to 1996 Eight Counties Tracing, San Francisco Bay District 1980 to 1996 Eight Counties
Atlases of this county (Mariposa):
Mariposa County 1980 to 1996

Oriental Mine

Oriflamme Mine

Oriole Mine

Maps that contain this point of interest:
Stanislaus County 1939, Stanislaus County 1939
Tuolumne County 1939, Tuolumne County 1939
Tuolumne County 1975c, Tuolumne County 1975c
Tuolumne County 1953, Tuolumne County 1953
Stanislaus County 1950c, Stanislaus County 1950c
Calaveras County 1980 to 1996 Mylar, Calaveras County 1980 to 1996
Calaveras County 1980 to 1996 Tracing, Calaveras County 1980 to 1996
Stanislaus County 1980 to 1996 Mylar, Stanislaus County 1980 to 1996
Stanislaus County 1980 to 1996 Tracing, Stanislaus County 1980 to 1996
Tuolumne County 1980 to 1996 Mylar, Tuolumne County 1980 to 1996
Tuolumne County 1980 to 1996 Tracing, Tuolumne County 1980 to 1996
San Francisco Bay District 1980 to 1996 Eight Counties Mylar, San Francisco Bay District 1980 to 1996 Eight Counties
San Francisco Bay District 1980 to 1996 Eight Counties Tracing, San Francisco Bay District 1980 to 1996 Eight Counties
Atlases of this county (Calaveras):
Calaveras County 1955c
Calaveras County 1980 to 1996

Orleans Mine

Orloff Mine

Maps that contain this point of interest:
Siskiyou County 1975c, Siskiyou County 1975c
Siskiyou County 1980 to 1996 Mylar, Siskiyou County 1980 to 1996
Siskiyou County 1980 to 1996 Tracing, Siskiyou County 1980 to 1996
Atlases of this county (Siskiyou):
Siskiyou County 1957
Siskiyou County 1975c, 975c
Siskiyou County 1980 to 1996

Oro Fino Mine

Maps that contain this point of interest:
Tuolumne County 1939, Tuolumne County 1939
Tuolumne County 1975c, Tuolumne County 1975c
Tuolumne County 1953, Tuolumne County 1953
Calaveras County 1980 to 1996 Mylar, Calaveras County 1980 to 1996
Calaveras County 1980 to 1996 Tracing, Calaveras County 1980 to 1996
Tuolumne County 1980 to 1996 Mylar, Tuolumne County 1980 to 1996
Tuolumne County 1980 to 1996 Tracing, Tuolumne County 1980 to 1996
San Francisco Bay District 1980 to 1996 Eight Counties Mylar, San Francisco Bay District 1980 to 1996 Eight Counties
San Francisco Bay District 1980 to 1996 Eight Counties Tracing, San Francisco Bay District 1980 to 1996 Eight Counties
Atlases of this county (Calaveras):
Calaveras County 1955c
Calaveras County 1980 to 1996

Oro Fino Mine

Oro Grande Mine

Maps that contain this point of interest:
Shasta County 1955c, Shasta County 1955c
Trinity County 1975c, Trinity County 1975c
Shasta County 1975c, Shasta County 1975c
Shasta County 1980 to 1996 Mylar, Shasta County 1980 to 1996
Shasta County 1980 to 1996 Tracing, Shasta County 1980 to 1996
Trinity County 1980 to 1996 Mylar, Trinity County 1980 to 1996
Trinity County 1980 to 1996 Tracing, Trinity County 1980 to 1996
Page 092 - Township 30 N., Range 5 W., Olinda, Happy Valley, Shasta County 1959
Page 093 - Township 31 N., Range 5 W., Redding, Centerville, Shasta County 1959
Atlases of this county (Shasta):
Shasta County 1955c
Shasta County 1955c Published by Harry Freese
Shasta County 1959
Shasta County 1975c
Shasta County 1980 to 1996

Oro Grande Mine

Oro Mine

Oro Plata Mine

Maps that contain this point of interest:
Tuolumne County 1939, Tuolumne County 1939
Tuolumne County 1975c, Tuolumne County 1975c
Tuolumne County 1953, Tuolumne County 1953
Calaveras County 1980 to 1996 Mylar, Calaveras County 1980 to 1996
Calaveras County 1980 to 1996 Tracing, Calaveras County 1980 to 1996
Tuolumne County 1980 to 1996 Mylar, Tuolumne County 1980 to 1996
Tuolumne County 1980 to 1996 Tracing, Tuolumne County 1980 to 1996
San Francisco Bay District 1980 to 1996 Eight Counties Mylar, San Francisco Bay District 1980 to 1996 Eight Counties
San Francisco Bay District 1980 to 1996 Eight Counties Tracing, San Francisco Bay District 1980 to 1996 Eight Counties
Atlases of this county (Calaveras):
Calaveras County 1955c
Calaveras County 1980 to 1996

Oro Rico Mine

Orofino Mine

Oroflame Mine

Osborne Hill Mine

Osceola Mine

Osgood Mine

Maps that contain this point of interest:
Siskiyou County 1975c, Siskiyou County 1975c
Siskiyou County 1980 to 1996 Mylar, Siskiyou County 1980 to 1996
Siskiyou County 1980 to 1996 Tracing, Siskiyou County 1980 to 1996
Page 105 - Township 45 N. Range 7 W., Yreka, Hawkinsville, Siskiyou County 1957
Page 105A - Yreka Town, Siskiyou County 1957
Atlases of this county (Siskiyou):
Siskiyou County 1957
Siskiyou County 1975c, 975c
Siskiyou County 1980 to 1996

Otto Mine

Maps that contain this point of interest:
Sonoma County Sectional Map, Sonoma County 1957
Sonoma County Map, Sonoma County 1907
Sonoma County 1975c, Sonoma County 1975c
Lake County 1942, Lake County 1942
Lake County 1980 to 1996 Mylar, Lake County 1980 to 1996
Lake County 1980 to 1996 Tracing, Lake County 1980 to 1996
Napa County 1980 to 1996 Mylar, Napa County 1980 to 1996
Napa County 1980 to 1996 Tracing, Napa County 1980 to 1996
Sonoma County 1940c, Sonoma County 1940c
Sonoma County 1980 to 1996 Mylar, Sonoma County 1980 to 1996
Sonoma County 1980 to 1996 Tracing, Sonoma County 1980 to 1996
Atlases of this county (Lake):
Lake County 1892c
Lake County 1942
Lake County 1955c
Lake County 1980 to 1996

Otto Mine

Outlaw Mine

Maps that contain this point of interest:
Riverside County 1975c, Riverside County 1975c
San Bernardino County 1980 to 1996 Northeast Quarter - Mylar, San Bernardino County 1980 to 1996
San Bernardino County 1980 to 1996 Northeast Quarter - Tracing, San Bernardino County 1980 to 1996
San Bernardino County 1980 to 1996 Southwest Quarter - Tracing, San Bernardino County 1980 to 1996
Atlases of this county (Riverside):
Riverside County 1948 Road Map
Riverside County 1975c
Riverside County 1980 to 1996

Overton Mine

Maps that contain this point of interest:
Trinity County 1975c, Trinity County 1975c
Siskiyou County 1975c, Siskiyou County 1975c
Siskiyou County 1980 to 1996 Mylar, Siskiyou County 1980 to 1996
Siskiyou County 1980 to 1996 Tracing, Siskiyou County 1980 to 1996
Trinity County 1980 to 1996 Mylar, Trinity County 1980 to 1996
Trinity County 1980 to 1996 Tracing, Trinity County 1980 to 1996
Page 133 - Township 40 N. Range 10 W., Siskiyou County 1957
Page 134 - Township 41 N. Range 10 W., Siskiyou County 1957
Atlases of this county (Siskiyou):
Siskiyou County 1957
Siskiyou County 1975c, 975c
Siskiyou County 1980 to 1996

Owens Mine

Owl Mine

Maps that contain this point of interest:
Humboldt County 1955c, Humboldt County 1955c
Humboldt County 1975c, Humboldt County 1975c
Trinity County 1975c, Trinity County 1975c
Siskiyou County 1975c, Siskiyou County 1975c
Siskiyou County 1980 to 1996 Mylar, Siskiyou County 1980 to 1996
Siskiyou County 1980 to 1996 Tracing, Siskiyou County 1980 to 1996
Trinity County 1980 to 1996 Mylar, Trinity County 1980 to 1996
Trinity County 1980 to 1996 Tracing, Trinity County 1980 to 1996
Atlases of this county (Humboldt):
Humboldt County 1949
Humboldt County 1955c, 975c
Humboldt County 1980 to 1996

Owl Mine

Maps that contain this point of interest:
Tulare County, Tulare County 1892
Atlases of this county (Kern):
Bakersfield and Kern County 1901 Bird's Eye View
Kern County 1901
Kern County 1904 - Mines and Minerals
Kern County 1919 Midway and McKittrick Oil Fields
Kern County 1921 Kern River Oil Field
Kern County 1921 Midway and McKittrick Oil Fields
Kern County 1980 to 1996

Owl Mine

Ox Yoke Mine

Oxford Mine

Ozark Mine

Maps that contain this point of interest:
Tuolumne County 1939, Tuolumne County 1939
Tuolumne County 1975c, Tuolumne County 1975c
Tuolumne County 1953, Tuolumne County 1953
Calaveras County 1980 to 1996 Mylar, Calaveras County 1980 to 1996
Calaveras County 1980 to 1996 Tracing, Calaveras County 1980 to 1996
Tuolumne County 1980 to 1996 Mylar, Tuolumne County 1980 to 1996
Tuolumne County 1980 to 1996 Tracing, Tuolumne County 1980 to 1996
San Francisco Bay District 1980 to 1996 Eight Counties Mylar, San Francisco Bay District 1980 to 1996 Eight Counties
San Francisco Bay District 1980 to 1996 Eight Counties Tracing, San Francisco Bay District 1980 to 1996 Eight Counties
Atlases of this county (Calaveras):
Calaveras County 1955c
Calaveras County 1980 to 1996

Ozark Mine

Maps that contain this point of interest:
Trinity County 1975c, Trinity County 1975c
Trinity County 1980 to 1996 Mylar, Trinity County 1980 to 1996
Trinity County 1980 to 1996 Tracing, Trinity County 1980 to 1996
Page 059 - Township 34 N. Range 11 W., Helena, Trinity County 1955
Atlases of this county (Trinity):
Trinity County 1955
Trinity County 1975c
Trinity County 1980 to 1996

Pacific Mine

Maps that contain this point of interest:
Plumas County 1952, Plumas County 1952
Plumas County 1980 to 1996 Mylar, Plumas County 1980 to 1996
Plumas County 1980 to 1996 Tracing, Plumas County 1980 to 1996
Sierra County 1980 to 1996 Mylar, Sierra County 1980 to 1996
Sierra County 1980 to 1996 Tracing, Sierra County 1980 to 1996
Atlases of this county (Sierra):
Sierra County 1955c
Sierra County 1980 to 1996

Pacific Mine

Pacific Slab Mine

Padlock Mine

Padre Madre Mine

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