The _Journal of Industrial and Engineering
Chemistry_ for July, 1917, publishes an article by W.C. Ebaugh on
"Potash and a World Emergency," and various articles on American sources
of potash appeared in the same _Journal_ October, 1918, and February,
1918. Bulletin 102, Part 2, of the United States National Museum
contains an interpretation of the fertilizer situation in 1917 by J.E.
Poque. On new potash deposits in Alsace and elsewhere see _Scientific
American Supplement_, September 14, 1918.
CHAPTER IV
Send ten cents to the Department of Commerce, Washington, for "Dyestuffs
for American Textile and Other Industries," by Thomas H. Norton,
Special Agents' Series, No. 96. A more technical bulletin by the same
author is "Artificial Dyestuffs Used in the United States," Special
Agents' Series, No. 121, thirty cents. "Dyestuff Situation in U.S.,"
Special Agents' Series, No. 111, five cents. "Coal-Tar Products," by
H.G. Porter, Technical Paper 89, Bureau of Mines, Department of the
Interior, five cents.
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