A Report on the retail prices of nitrate of soda and phosphate as of May 1, 1919
Series: Department circular / United States Department of Agriculture -- 39; Department circular (United States. Dept. of Agriculture) -- 39.
Publisher: U.S. Dept. of Agriculture
Published: 1919
Place of publication: Washington, D.C
Language: eng
Number of pages: 15
Subjects: Phosphates; Prices; Chile saltpeter
Notes: "Contribution from the Bureau of Soils."