Significance of clays in southeast Missouri lead ores
By: Donald Frank Beaumont
Published: 1954
Language: eng
Number of pages: 75
Copyright date: 1954
Subjects: Petrology; Clay; Mineralogy; Lead ores
Notes: Thesis (Ph. D.)--Columbia University, 1953.

Bibliography: l. 44-48.

Photocopy. Ann Arbor, Mich. : University Microfilms, 1983. 21 cm.