The key date is march 22, 1864; Chapter CCIX; section 68; This citation was taken from the Generl Laws of the State of CA. by theodore H. Hittell, which was troublesome to scan.
Concurrent and joint resolutions opposing adoption of the fifteenth U.S. constitutional amendment, pp. 184, 198-199. Introduced by John S. Hager and William M. Gwin. The days to specifically look at is Friday, January 13, 1870, pages 180-184, and...