Click to View Alturas Map Sheet (map is located on USGS's National Geologic Map Database web site)
This map can be purchased through the CGS Publications.





California Department of Water Resources

1963 Northeastern counties ground water investigation CDWR B 98, pl. 3, 7, 10, 14, 17, 21, 24, 27,30 125

Donnelly-Nolan, J.M. and Champion, D.E.

1987 Geologic map of Lava Beds National Monument, California USGS I-1804 24

Duffield, W.A., and Weldin, R.D.

1976 Mineral resources of the South Warner Wilderness, Modoc County, California USGS MF-1429 48

Hedel, C.W

1984 Maps showing geomorphic and geologic evidence for late Quaternary displacement along the Surprise Valley and associated faults, Modoc County, California USGS MF-1429 62

Peterson, J.A., and Martin, L.M.

1980 Geologic map of the Baker-Cypress BLM Roadless Area and Timbered Crater RARE II Areas, Modoc, Shasta, and Siskiyou counties, California USGS MF-1214-A 62

Sanborn, A.F.

1960 Geology and paleontology of the southwest quarter of the Big Bend quadrangle, Shasta County, California DMG SR 63 62

Wood, P.R.

1960 Geology and ground-water features of the Butte Valley region, Siskiyou County, California USGS W 1491 62

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