Cover image for Sedimentary phosphate resource classification system of the U.S. Bureau of Mines and the U.S. Geological Survey.
Sedimentary phosphate resource classification system of the U.S. Bureau of Mines and the U.S. Geological Survey.
Title:
Sedimentary phosphate resource classification system of the U.S. Bureau of Mines and the U.S. Geological Survey.
Author:
Geological Survey (U.S.)
Publication Information:
[Reston, Va.?] : U.S. Dept. of the Interior, Geological Survey ; Alexandria, VA : Distribution Branch, Text Products Section, U.S. Geological Survey [distributor], 1982.
Physical Description:
v, 9 pages : illustrations ; 27 cm.
General Note:
Item 620-A
Language:
English
Format :
Book