Calaveras County.

1935

California Division of Highways

1:149k

Big Trees, Calif.

1891

USGS (U.S. Geological Survey)

1:125k

Map of Mother Lode Gold Belt in Calaveras County Showing Mining Claims and Areal Geology 1934: Plate VI

1934

Logan, C. A. (Clarence August), 1887-

1:63k

California, Mother Lode District: Sheet I

1899

Washington, D.C. : U.S. Geological Survey

1:63k

California, Mother Lode District: Sheet II, Section 3

1906

Washington, D.C. : U.S. Geological Survey

1:63k

California, Mother Lode District: Sheet II, Section 4

1899

Geological Survey (U.S.); Goode, Richard Urquhart, 1858-1903; Barnard, E. C. (Edward Chester), 1863-1921; Searle, A. B.

1:63k

Map of Mother Lode Gold Belt in Amador County Showing Mining Claims and Areal Geology: Plate III

1934

Logan, C. A. (Clarence August), 1887-

1:63k

Sacramento, Amador, Calaveras, San Joaquin, Tuolumne, Stanislaus, Merced, and Mariposa Counties.

1896

Blum, George W.

1:444k

Map of Mother Lode Gold Belt in Tuolumne County Showing Mining Claims and Areal Geology 1934: Plate VIII

1934

Logan, C. A. (Clarence August), 1887-

1:63k

The Mother Lode of California.

1949

California State Fair