development of a sulphuric acid baking-roasting and leaching process for the extraction of manganese from the high-silica ores of the Olympic peninsula of Washington.
By: First progress report by Howard C. Parkman ... and Charles Durway ...
Contributors: Durway, Charles.; Washington State Planning Council.
Published: 1936
Place of publication: [Pullman, Wash.]
Language: eng
Number of pages: 31
Subjects: Manganese -- Metallurgy
Notes: At head of title: State college of Washington ... State Electrometallurgical Research Laboratories.

Mimeographed.

"Washington State planning council. W.P.A. Federal project."

Bibliography: p. 31.