[9] Four Months Among the Gold Finders of California, by J. Tyrwhitt Brooks, M.D.

[10] Six Months in the Gold Mines, by E. Gould Buffum

[11] See American Insurance Company, et al. vs. Canter, 1st Peters' Supreme Court Reports, 542.

[12] Bayard Taylor, El Dorado, or Adventures in the Path of Empire.

[13] Six Months in the Gold Mines, by E. Gould Buffum.

[14] Diary of a Physician in California, by James L. Tyson, M.D.

[15] Diary of a Physician in California, by James L. Tyson, M.D.

[16] Personal Adventures in California, by W. Redmond Ryan.

[17] Mohs' Mineralogy, by Haidinger, vol. ii. p. 438.

[18] A very rough estimate of the value of specimens of native gold may be obtained by multiplying the specific gravity by 4; the result gives the value in shillings nearly.