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Minerals of Colorado: A 100- Year Record By EDWIN B. ECKEL GEOLOGICAL SURVEY BULLETIN 1 1 14 A...knowledge____________________________________ Future of Colorado mineralogy______________________________________...mineral localities and metallic mineral deposits of Colorado ________________________________ In pocket III...mineral localities and metallic mineral deposits of Colorado, has not been included in this reprint. Many of...especially Fischer and others, 1946). MINERALS OF COLORADO: A 100-YEAR RECORD By EDWIN B. EcKEL ABSTRACT |
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Quadrangle, Colorado GEOLOGICAL SURVEY PROFESSIONAL Prepared in cooperation with the Colorado State Geological...Geological Survey Board and the Colorado Metal Mining Fund PAPER 289 Geology and Ore Deposits of...of the Garfield Quadrangle, Colorado By McCLELLAND G. DINGS and CHARLES S. ROBINSON GEOLOGICAL SURVEY...in cooperation with the Colorado State Geological Survey Board and the Colorado Metal Mitting Fund. A...________ -----_-------------------------Location of mining districts _____ ---- __ ----------- ~~~~~i~~~ |
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MINES AND MINERALS OF THE GREAT AMERICAN RIFT (COLORADO-NEW MEXICO) Sine ā_ā< Ā¢ te om At _SHT 40...MINES AND MINERALS OF THE GREAT AMERICAN RIFT (COLORADO-NEW MEXICO) Richard Walker Holmes and Marrianna...Mines and minerals of the Great American Rift (Colorado-New Mexico). Bibliography: p. Includes index...index. 1. Mines and mineral resourcesāColorado. 2. Mines and mineral resourcesāNew Mexico. I. Kennedy, Marrianna...minerals of the Great American Rift in New Mexico and Colorado. Great American Rift is the name we use for a |
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2008 Table of Contents Collecting Minerals in Colorado - Peter Modreski ...........................Pg...Riemvasmaak South Africa 2008 Mining Update .......................... Pg. 20 Colorado Fossil Woods - Frank Daniels...on collecting minerals in Colorado by Pete Modreski, the informative Colorado petriļ¬ed wood article by...the magazine so you get your very own copy! Colorado Minerals is the theme of the 2008 Denver Gem and...days of Coloradoās gold, silver, and base metal mining are past, and those who want specimens must look |
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l-A. Sierra Blanca limestone in Santa Barbara County, CaliW. Walker. 1950. 5 pp., 1 pi. Price 25*. ...Price 25tf. Commercial "black granite" of San Diego County, California, by Richard A. Hoppin and L. A. Norman...of the San Dieguito pyrophyllite area, San Diego County, California, by Richard H. Jahns and John F. Lance...Price 25*. Geology of Bitterwater Creek area, Kern County, California, by Henry H. Heikkila and George M...lithium-bearing pegmatites of the Pala district, San Diego County, California, by Richard H. Jahns and |
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...... __ . _. _. _........... ~. '- ....... . Mining debris ............................. _.... ___..... ________ . . _. __ .-. ; ... __ Quantity of mining debris, by G. K. Gilbert ...ā¢..... _._ ....................... ................ . 75 Methods of mining ...... . ...................... ... _. _.... _................... ... _........ _. 76 Hy~rau~ic mining. Ā·....... Ā·. Ā· ._ .... Ā·,Ā·.: ....... Ā·.; ............... ___.. ___ ..... _.. _. _. __ _ 129 131 Mining operations in the gravels of Nevada City and Grass |
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RENCE McGRAW-HILL ENCYCLOPEDIA Science OF Technology FAB-GEN McGRAW-HILL ENCYCLOPEDIA OF...work in twenty volumes including an index McGraw-Hill New York San Francisco Mexico City Milan Washington...of Congress Cataloging in Publication data McGraw-Hill encyclopedia of science & technology. Pp. cm....0-07-911504-7 (set) McGraw-Hill A Division of The McGraw Hill Companies McGRAW-HILL Copyright ENCYCLOPEDIA...& TECHNOLOGY 1977, 1971, 1966, 1960 by McGraw-Hill, Inc in the United States of America. the United |