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Click to View Sacramento Map Sheet (out of print)
Click to View Sacramento Regional Geologic Map 
Click to View Lake Tahoe Basin Regional Geologic Map
(The links above are located on USGS's National Geologic Map Database web site)
The Regional Geologic Map can be purchased through the CGS Publications.

 

AUTHOR YEAR

TITLE

AGENCY PUB NO. SCALE
Armstrong, A.K., and others 1983 Mineral resource potential of the Pyramid Roadless Area, El Dorado County, California USGS MF-1616-A 62
Atwater, B. 1979 Generalized geologic map of the Rio Vista 15-minute quadrangle, California USGS OF 79-853 62
Atwater, B.F. 1982 Geologic maps of the Sacramento-San Joaquin Delta, California USGS MF-1401 24
Aune, Q.A. 1965 Geology of the Indian Diggings limestone deposit DMG OFR 65- 62
Bartow, J.A., and Helley, E.J. 1979 Preliminary geologic map of Cenozoic deposits of the Folsom area, California USGS OF 79-550 62
Bartow, J.A., and Marchand, D.E. 1979 Preliminary geologic maps of the Sutter Creek and Valley Springs quadrangles, California USGS OF 79-436 62
Bartow, J.A., and Marchand, D.E. 1979 Preliminary geologic map of Cenozoic deposits of the Clay area, California USGS OF 79-667 62
Burnett, J.L. 1967 Geologic map of Lake Tahoe, southern half DMG OFR 62
Clark, L.D. 1954 Geology and mineral deposits of the Calaveritas quadrangle, Calaveras County, California DMG SR 40, pl. 1 24
Clark, L.D. 1970 Geology of the San Andreas 15-minute quadrangle, Calaveras County, California DMG B 195, pl. 1 62
Clark, L.D., and Huber, N.K. 1975 Geologic observations and sections along selected stream traverses, northern Sierra Nevada metamorphic belt, California USGS MF-0690 63
Clark, L.D., Stromquist, A.A., and Tatlock, D.B. 1963 Geologic map of the San Andreas quadrangle, Calaveras County, California USGS GQ-0222 62
Crane, Ron 1995 Geologic map of the Honker Bay 7.5' quadrangle unpublished 24
Crane, Ron 1995 Geologic map of the Antioch North 7.5' quadrangle unpublished 24
Crane, Ron 1995 Geologic map of the Denverton 7.5' quadrangle unpublished 24
Dibblee, T.W., Jr. 1980 Preliminary geologic map of the Honker Bay quadrangle, Solano and Contra Costa counties, California USGS OF 80-2009 24
Duffield, W.A., and Sharp, R.V. 1975 Geology of the Sierra foothills melange and adjacent areas, Amador County, California USGS P 827, Pl. 1 24
Eric, J.H., Stromquist, A.A., and Swinney, C.M. 1955 Geology of the Angels Camp and Sonora quadrangles, Calaveras and Tuolumne Counties, California DMG SR 41 24
Fisher, G.R. 1989 Geologic map of the Mount Tallac roof pendant, El Dorado County, California USGS MF-1943 24
Graymer, R.W., and others 1994 Preliminary geologic map emphasizing bedrock formations in Contra Costa County, California: A digital database USGS OF 94-622 75
Harwood, D.S. 1983 Geologic and geochemical maps of the Rubicon Roadless Area, Placer and El Dorado counties, California USGS MF-1501-A 24
Helley, E.J. 1979 Preliminary geologic map of Cenozoic deposits of the Lincoln quadrangle, California USGS OF 79-583 62
Helley, E.J. 1979 Preliminary geologic map of Cenozoic deposits of the Knights Landing quadrangle, California USGS OF 79-583 62
Helley, E.J. 1979 Preliminary geologic map of Cenozoic deposits of the Davis quadrangle, California USGS OF 79-583 62
Helley, E.J. 1979 Preliminary geologic map of Cenozoic deposits of the Fair Oaks 15-minute quadrangle, California USGS OF 79-583 62
Helley, E.J., and Barker, J.A. 1979 Preliminary geologic map of Cenozoic deposits of the Dunnigan quadrangle, California USGS OF 79-1606 62
Helley, E.J., and Barker, J.A. 1979 Preliminary geologic map of Cenozoic deposits of the Woodland quadrangle, California USGS OF 79-1606 62
Helley, E.J., and Harwood, D.S. 1985 Geologic map of late Cenozoic deposits of the Sacramento Valley and northern Sierran foothills, California, showing major late Cenozoic structural features and depth to basement USGS MF-1790 62
Helley, E.J., and Graymer, R.W. 1997 Quaternary geology of Contra Costa County, and surrounding parts of Alameda, Marin, Sonoma, Solano, Sacramento, and San Joaquin counties, California: A digital database USGS OF 97-098 24
John, D.A. 1981 Geologic map of the Freel and Dardanelles Further Planning Areas, Alpine and El Dorado Counties, California USGS MF-1322-A 62
Knudsen, K.L., Sowers, J.M., Witter, R.C., Wentworth, C.M., and Helly, E.J. 2000 Preliminary maps of Quaternary deposits and liquefaction susceptibility, nine-county San Francisco Bay region, California: a digital database USGS OF 00-444 275
Kohler, S.L. 1983 Mineral land classification of the Georgetown 15-minute quadrangle, El Dorado and Placer counties, California DMG OFR 83-35 62
Kohler, S.L. 1983 Mineral land classification of the Auburn 15-minutequadrangle, El Dorado and Placer counties, California DMG OFR 83-37 62
Leivas, E.M. 1984 Geology of the Calaveras Big Trees State Park, Calaveras and Tuolumne counties, California DMG OFR 84-05 24
Loomis, A.A. 1983 Geology of the Fallen Leaf Lake 15-minute quadrangle, El Dorado County, California DMG MS 032 62
Loyd, R.C. 1984 Mineral land classification of the Folsom 15-minute quadrangle, Amador, El Dorado, Placer, and Sacramento counties, California DMG OFR 84-50 62
Loyd, R.C. 1983 Mineral land classification of the Sutter Creek 15-minute quadrangle, Amador and Calaveras counties, California DMG OFR 83-36 62
Loyd, R.C., and Kohler, S.L. 1987 Mineral land classification of the Camino and Mokelumne Hill 15-minute quadrangles, Amador, Calaveras, and El Dorado counties, California DMG OFR 87-02 62
Loyd, R.C., and Kohler, S.L. 1987 Mineral land classification of the Camino and Mokelumne Hill 15-minute quadrangles, Amador, Calaveras, and El Dorado counties, California DMG OFR 87-02 62
Loyd, R.C., and others 1983 Mineral land classification of the Placerville 15-minute quadrangle, Amador and El Dorado counties, California DMG OFR 83-29 62
Marchand, D.E., and Atwater, B. 1979 Preliminary geologic map showing Quaternary deposits of the Lodi quadrangle, California USGS OF 79-933 62
Marchand, D.E., and Bartow, J.A. 1979 Preliminary geologic map of Cenozoic deposits of the Bellota quadrangle, California USGS OF 79-664 62
McKee, E.H., and Howe, R.A. 1981 Geologic map of the Mokelumne Wilderness and contiguous RARE II Further Planning Areas, central Sierra Nevada, California USGS MF-1201-A 62
Merguerian, C. 1985 Bedrock geologic map of the Shoo Fly Complex in the Jupiter area, Stanislaus River Drainage, Tuolumne County, California DMG OFR 85-11 24
Olmsted, F.H. 1971 Pre-Cenozoic geology of the south half of the Auburn 15- minute quadrangle, California USGS B 1341, pl. 1 48
Olmsted, F.H., and Davis, G.H. 1961 Geologic features and ground-water storage capacity of the Sacramento Valley, California USGS WSP 1497 250
Peterson, J.A. 1985 Geologic map of the Penn Mine, Calaveras County, California USGS MF-1797 1
Saucedo, G.J. 2005 Geologic map of the Lake Tahoe basin, California and Nevada.  Click to view the map. CGS RGM 4 100
Sims, J.D., and Frizzell, V.A. 1976 Preliminary photointerpretation of landslide and other surficial deposits of the Mount Vaca, Vacaville, and parts of the Courtland, Davis, Lake Berryessa, and Woodland 15-minute quadrangles, Napa and Solano counties, California USGS MF-0719 62
Sims, J.D., and others 1973 Preliminary geologic map of Solano County and parts of Napa, Contra Costa, Marin and Yolo counties, California USGS MF-0484 (BDC 54) 62
Standard Oil Co. 1962 San Francisco Bay Area Surficial Geology SO 24
Taylor, G.C., Greenwood, R., and Joseph, S. 1989 Mineral land classification of the San Andreas 15-minute quadrangle, Calaveras County, California DMG OFR 89-01 62
Tolman, C.F. 1931 Geology of upper San Francisco Bay region CDWR B 28 (Plate D-IX) 53
Wagner, D.L., and Spittler, T.E. 1997 Landsliding along the Highway 50 corridor: Geology and slope stability of the American River canyon between Riverton and Strawberry, California DMG OFR 97-22 12
Weaver, C.E. 1949 Geologic map of the Vacaville quadrangle, California DMG B 149, pl. 7 62
Weaver, C.E. 1949 Geologic map of the Antioch quadrangle, California DMG B 149, pl. 17 62

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