Author: Fenner, C.N., 1933.:
Title: Pneumatolytic processes in the formation of minerals and ores. Reprinted from "Ore deposits of the Western States", American Institute of Mining and Metallurgical Engineers, 1933, being part I of chapter III.
Description: [No pl.] 8vo. Pp. 58-106, notes & refs. Orig. wrs. - With signature of Prof. R.W. van Bemmelen on front cover.

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