Observations on the extent of the gold region of California and Oregon
Subtitle: with notices of mineral localities in California, and of some remarkable specimens of crystalline gold
By: by Wm. P. Blake
Publisher: [s.n.]
Published: 1855
Place of publication: [s.l.]
Language: eng
Number of pages: 14
Subjects: Gold mines and mining
Notes: Caption title.

"Extracted from the American journal of science and arts, volume xx, second series, July, 1885."