Yuba County.

1935

California Division of Highways

1:137k

Nevada County, California.

1880

Hartwell, J.G.

1:79k

(2) San Francisco to Reno via U.S. 40

1958

Eddy, Geraled A.

The Mother Lode of California.

1949

California State Fair

[What I saw in California: being the journal of a tour by the emigrant route and south pass of the Rocky Mountains, across the continent of North America, the Great Desert Basin and through California in the years 1846, 1847.]

1849

Bryant, Edwin F. (Edwin Francis)

Mother Lode map : incorporating Mother Lodes of California and Nevad

1931

Cormack, Robert

Mother Lode map : incorporating mother lodes of California and Nevada

1931

Cormack, Robert

Gold And Quicksilver District Of California, 1848

1848

Ord, Edward Otho Cresap (E.O.C.O.)

1:680k

Map of Plumas County : showing areal geology and locations of principal mines

1937

Averill, Charles V. (Charles Volney), 1892-

1:250k

Bancroft's New Map Of Central California.

1871

Knight, W.H.

1:760k