 | | Book | | his undergraduate work at the Colorado School of Mines and earned the doctorate from the University of...Bureau of Mines. He arrived in Arizona in 1918, with a B. S. degree from the Missouri School of Mines. After...assistant geologist for the Ray Consolidated Copper Company and as a private in the United States Army, he...he joined the staff of the Arizona Bureau of Mines. During his first few years with the Bureau he collaborated...later Tertiary tectonics in the Basin and Range Province, and work on a number of individual mining districts |  | | Journal (issue) | | an oil change. THE DESERT MAGAZINE De serf Calendar Tune 3 de July 1 D tio July 2 D July 3—Lehi Roundup...e r d e By RICHARD VAN VALKENBURGH TRAVEL LOST MINE CONTEST PERSONALITY 5 W h e r e Wild Buffalo R...the earth. Pozo Verde lies in Sonora, south and west of the Arizona border-village of San Fernando, also...hunting pottery sherds or wulfenite, Gene makes good company wherever desert trails may lead. Wind-devils were...twisting up from the Santa Cruz valley as we traveled west from Tucson, on Highway 84, towards the Papago country |  | | Book (volume) | | For many elements, such as iodine, selenium, or iron, too much is a poison and too little causes starvation...families or groups of villagers purchase a licence to mine; in other areas there is little regulation, and...buyer) will, by building relationships with miners, mine owners, and local traders, gain expertise and some...technology and research models used in diamond mines deep underground. Ultimately, any source of gemstones...such as a particularly fine-coloured gemstone or a mine that is producing particularly clean large specimens |
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