Anatomy of the Western phosphate field : a guide to the geologic occurrence exploration methods mining engineering recovery technology / organized and edited by Lyle A. Hale. - Utah : Intermountain Association of Geologists, 1967. - 287 p. : charts, diagrs, (b&w) photos, maps.

Spine title: Western phosphate field.
"Fifteenth Annual Field Conference, 1967."

Bibliography ; p. 275 - 283.


Phosphates.
Phosphate mines and mining.

TN913 / A52