1951
Golden Chain Council of the Mother Lode.
1:550k
1887
California State Engineering Department
1:380k
1873
United States. Congress
1:760k
1866
Holdredge, Sterling M.
1:2m
1965
California Division of Mines and Geology
1966
California Division of Mines and Geology
1865
Poett, A.
1:253k
1931
Cormack, Robert
1844
Arrowsmith, John
1:980k
1873
Whitney, J.D.
1:380k