Engineering & Mining Journal-Press Volume 115, Number 26, June 30, 1923 by J. E. Spurr, Editor - 1923-01-01

McGraw-Hill Company, 1923-01-01. Single Issue Magazine. Acceptable. J. E. Spurr, Editor, Volume 115, Number 26, June 30, 1925. Single issue magazine (weekly journal), paper covers, 54 pp. Black and white illustrations, maps, and ads. In acceptable condition. Black and white pictorial papaer covers have several chips and tears along edges, some of which have been taped up. Moderate to heavy aging, soiling and creasing to covers as well as interior pages. Back cover has some globs of dried white paste. Classified page near back has a 3 X 1" chip in the paper where the two pages had been stuck together and tore when separated. Pages are quite aged but otherwise unmarked and readable. NOT Ex-Library. An acceptable reading copy. Contents include: Editorial : AN EXPERIMENT FAILS — All Reserve Stocks of Copper Finally Sold - Gold Dredging in California - Back to the Days of Barter - Judge Gary and Twelve Hours a Day —Bunk-House Gossip — Progress in Metric Standardization — Bandit or Detective; Geologists of Note: J. MACKINTOSH BELL; Comparative Earning Power of Capital Invested invested in Copper Industry of Western Hemisphere BY ARTHUR NOTMAN: AN ANALYTICAL STUDY. Results of operations, of South American producers compared wïth those in the United States. Conclusions; Electrical Equipment at Rosario Mill and Mine BY FREDERICK KRUG.: PRACTICE AT THE ISOLATED PLANT of the New York & Honduras Rosario Mining Co. is described; Marketing of Diatomaceous Earth BY NORRIS GOODWIN; Improvements in Zinc Milling in the Tri-State District BY HERBERT H. WALLOWER; Iron Ore in the Dutch East Indies BY ALEX L. TER BRAAKE: A DESCRIPTION OF EXTENSIVE IRON ORE DEPOSITS in the Island of Celebes. Dutch East Indies; The Petroleum Industry: Oil Prospecting in Tasmania - Exploring for Oil at Bilbao Spain - Oil Mining in Germany - Oil Prospecting in Australia; New Oil and Gas Map of California - Study Sands in Pittsburgh Quadrangle.