A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
General conditions, domestic mine production, sales of domestic phosphate rock, by uses; stocks; review by states; exports of phosphate rock, superphosphates and other fertilizer materials; imports; consumption of phosphate rock in United States; list of consumers of phosphate rock, by uses; world production. (Price 5 cents)
General conditions, domestic mine production, sales of domestic phosphate rock, by uses; stocks; review by states; exports of phosphate rock, superphosphates and other fertilizer materials; imports; consumption of phosphate rock in United States; list of consumers of phosphate rock, by uses; world production. (Price 5 cents)
Phosphate rock in 1928
U.S. Bur. Mines -- Mineral Resources
Johnson, B.L. (author)
1930
23 pages
Article (Journal)
English
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Online Contents | 1998
| Engineering Index Backfile | 1932
| Engineering Index Backfile | 1938
| Engineering Index Backfile | 1938
| Engineering Index Backfile | 1931