INDEX

FOOTNOTES:

[1] During 1905, antimonial lead commanded a premium of about 1c. per lb. above desilverized, owing to the high price for antimony.

[2] The figures for 1903 and 1904 have been added in the revision of this article for this book. The production of lead in the United States in 1903 was 276,694 tons; in 1904, it was 302,204 tons.

[3] Ounces of silver to the ton of lead.

[4] These figures are doubtful; they are probably too high. (See table on p. 5).

[5] The production of zinc ore in this district has now been commenced.

[6] The manuscript of this article was dated Oct. 5, 1905.