Cover image for Fertilizer resources of the United States.
Fertilizer resources of the United States.
United States. Department of Agriculture.
Publication Information:
Washington [Govt. print. off.], 1912.
Physical Description:
290 pages : XIX plates, 18 folded maps. ; 23 cm.
General Note:
Referred to the Committee on agriculture and forestery and ordered printed December 18, 1911.

James Wilson, secretary of agriculture.

Milton Whitney, chief of Bureau of soils.

The preliminary report, by Frank K. Cameron, with the assistance of R.B. Moore, E.E. Free, and others, relates to phosphatic fertilizers, nitrogen fertilizers, and potash fertilizers.
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