 | | Report (issue) | | geologic map of the Howardsville 7.5-minute quadrangle, San Juan and Hinsdale Counties, Colorado by Robert G...Figures 1. Index map showing location of the Howardsville 7.5-minute quadrangle (shaded) with respect...quadrangles studies in the western San Juan Mountains of southwestern Colorado ......................... Aeromagnetic...part of the western San Juan Mountains region showing location of the Howardsville 7.5-minute quadrangle... Introduction The Howardsville 7.5-minute quadrangle, located in the western San Juan Mountains of southwestern |  | | Report (issue) | | the scientific investigations in the Animas River watershed, Colorado to facilitate remediation decisions...INTRODUCTION Geographic Setting Geologic Setting Mining History AML INITIATIVE S TUDIES Geologic Studies...Geospatial Data Studies 1 1 3 4 4 4 9 10 15 UPPER ANIMAS RIVER BASIN UPSTREAM FROM S ILVERTON Geology Geomorphological...Geomorphological Analysis of the Eureka-Howardsville Reach Hydrology: Loading Analysis Biology Remediation...Remediation options that may produce basin improvements ANIMAS RIVER DOWNSTREAM FROM SILVERTON Biology Remediation |  | | Book | | Gkologim-in-charge. CATALOGUE OF MINERALS FOUND IN COLORADO. BY • F. M. ENDLICH. [EXTRACTED FROM THE TENTH...been adopted. tar as practicable, analyses of Colorado minerals have been given. They will aid examination...of the catalogue. systematic enumeration of the Colorado mineral species and references to the publications...Endlich, S. IN COLORADO. X. D. The continuous development of mineral resources of Colorado is productive...Geological .Report for PS75. Now, the survey of Colorado is completed, many additions of species new to |  | | Book | | AN EMPIRE SILVER $7.50 Colorado’s San Juan Silver Rush was one of the most colorful, unique, and interest¬... Often'called the “Switzerland of America,” the San Juans boast of more fourteen-thousand-foot peaks...cases, some San Juan (Continued on back flap) DATE DUE 1. San Juan region, Colo.—Hist. Colorado. i. Title...Title. 2. Silver mines and mining— F782.S19B7 973.838 T.ilmirv of Congress A . (>.» 759 , 1SGG5...1SGG5 Son Juon Country (legend) County Lines Paved Highways Dirt roads Four Wheel Drive roads - " - |  | | Report (issue) | | The Triangle of Colorado Mountains of Minerals Contributors David W. Bunk, Robert B. Cook, Don Earnest... Contents PAGE4 PAGE 10 4 The San Juan Triangle of Colorado Ho for the San Juans! by Duane A. Smith, Mark...ocated in southwestern Colorado and covering over 31,000 square kilometers, the San Juans are some of the...not until the last 25 years of the 1800s that the San Juans began revealing the extent of their mineral...In 1896 world-renowned mining engineer Thomas ''T.A." Rickard called the San Juans one of Colorado's |  | | Report (issue) | | Selected Sites in the Upper Animas River Watershed, Southwestern Colorado, 1997-99 Open-File Report 00-53...Selected Sites in the Upper Animas River Watershed, Southwestern Colorado, 1997-99 By M. Alisa Mast, Jonathan...GEOLOGICAL SURVEY Open-File Report 00-53 Denver, Colorado 2000 U.S. DEPARTMENT OF THE INTERIOR BRUCE BABBITT...Copies of this report can be purchased from: District Chief U.S. Geological Survey Box25046, Mail Stop...attached to inside back cover] 1. Map of upper Animas River watershed and locations of water-quality |  | | Other Paper | | 1129690-R8SDMS RECLAMATION FEASIBILITY REPORT ANIMAS RIVER ABOVE EUREKA E^«^.|3lt- f 4 ^ JIM HERRON...HERRON, BRUCE STOVER AND PAUL KRABACHER COLORADO DIVISION OF MINERALS AND GEOLOGY OCTOBER, 1999 1129690-R8SDMS...FEASIBILITY REPORT ANIMAS RIVER ABOVE EUREKA JIM HERRON, BRUCE STOVER AND PAUL KRABACHER COLORADO DIVISION OF...OF MINERALS AND GEOLOGY OCTOBER, 1999 Upper Animas River Reclamation Feasibility Report TABLE OF CONTENTS...Sampling Watershed Chemistry Upper Animas In-stream Aluminum Upper Animas In-stream Zinc Reclamation Options |  | | Report (issue) | | Deposits of the. South Silverton Mining Area, San Juan County, Colorado GEOLOGICAL SURVEY PROFESSIONAL...Prepared in cooperation with the Colorado Metal Mining Fund and the Colorado Geological Survey Board QE 75...378-A 1963 Lii Buresietidt latitioq Denver, Colorado c-1 cE U. S. Geological Survey. 75u Professional...Silverton Mining Area, San Juan County, Colorado By DAVID J. VARNES SOUTH SILVERTON MINING AREA, SAN JUAN...JUAN COUNTY, COLORADO GEOLOGICAL SURVEY PROFESSIONAL PAPER 378-A Prepared in cooperation with the Colorado |  | | Report (issue) | | of the Silverton 7.5-minute quadrangle, San Juan County Colorado by Robert G. Luedke1 and Wilbur S. Burbank2...quadrangles studied in the western San Juan Mountains of southwestern Colorado ................................. 2. Aeromagnetic map of part of the western San Juan Mountains region showing location of the Silverton...quadrangle, located in the western San Juan Mountains of southwestern Colorado (fig. 1), includes almost 59...at altitudes ranging from about 9,000 ft in the Animas River canyon at the south edge of the map to 13 |  | | Journal (article/letter/editorial) | | Recent Collecting Activity in SAN JUAN COUNTY, COLORADO B A R B A R A and J O H N M U N T Y A N 6978...6978 Wapiti Court Boulder, Colorado 80301 Photographs by the authors; specimens from the authors' collection...material has been obtained from a number of San Juan County mines and prospects during the last decade...almost ceased. COLORADO S A N J U A N C O U N T Y L I E S in southwestern Colorado. Some of the state's...vicinity of Silverton, the principal town in the county. The American Tunnel, located just north of town |  | | Book | | COLORADO MININC DIRECTORY. . 1 THE te COLORADO Directory of Mines, DESCRIPTION OF THE MINES AND...AND MILLS, AND THE MINING AND MILLING CORPORATIONS OF COLORADO, ARRANGED ALPHABETICALLY BY COUNTUS. j^ISTORY... WHOSE NERVE, ENERGY AND INDUSTRY HAVE PLACED COLORADO IN THE FRONT RANK OF BULLION PRODUCING STATES...WEALTH AND PROSPERITY, UNEQUALED IN THE HISTORY OF MINING COMMUNITIES, THIS WORK IS RESPECTFULLY DEDICATED...FARM FOB EVERYBODY Railway. COLORADO. Healthy, Attractive. Colorado is the great Sanitarium and Pl |  | Church, S.E., Kimball, B.A., Fey, D.L., Ferderer, D.A., Yager, T.J., Vaughn, R.B. (1997) Source, transport, and partitioning of metals between water, colloids, and bed sediments of the Animas River, Colorado. Open-File Report Vol. 1997 (97-151) US Geological Survey doi:10.3133/ofr97151 | Report (issue) | | Water, Colloids, and Bed Sediments of the Animas River, Colorado by S.E. Church 1 , BA Kimball2 , D.L Fey1...Drainage Studies in Other Areas Study Objectives The Animas River Watershed Previous Geochemical Work Field...Lead Strontium Zinc Vanadium Lead-isotopic data Animas River Drainage Basin Upstream from Silverton Arsenic...Vanadium Lead-isotopic data Animas River Drainage Basin: Silverton, Colorado to Aztec, New Mexico Arsenic...71 72 72 Metal transport from the La Plata Mining District Metals from the smelter sites south of Durango |  | | Journal (article/letter/editorial) | | 1632 Camp Bird Mine Road P . O . Box 586 Ouray, Colorado 81427 Tom Rosemeyer is the owner of Red Mountain...collected minerals in Colorado for the past twenty years. Microminerals of the San Juan Mountains, Southwestern...Southwestern Colorado WELCOME TO -THROUGH THE 'SCOPE," a column devoted to news and happenings in ihe micromount...in ex ploration and mining in the San Juan Mountains of southwestern Colorado for Ihe past twenty years...^Brooklyn mine ^-—O Howardsville Scale in Miles Figure 1: Location map of the "San Juan Triangle" (Oura |  | | Journal (issue) | | Julius Weber Mamaroneck, New York COLORADO ISSUE #2 Articles Colorado locality index.............................. 323 by B. L. Muntyan What’s new in Colorado minerals? ............................................. 339 by M. I. Jacobson The San Juan Mountains of Colorado ..................................349...AMAZONITE with smoky quartz, 10 cm tall, from the Yucca Hill claim, Park County, Colorado. Richard A. Kosnar...Natural History for conceiving the idea of a second Colorado issue and for helping a great deal in bringing |  | | Journal (article/letter/editorial) | | COLORADO oDenver Ouray •a IM The Grizzly Bear Mine Ouray County, Colorado Grizzly Bear Mine Figure...in Bear Creek Canyon, circa 1900; courtesy Ouray County Historical Society. 302 ROCKS AND M I N E R A...Grizzly Bear was one of the first mines in the San Juan Mountains to produce rhodochrosite crystals. In...minerals. TOM R O S E M E Y E R P.O. BOX 586 Ouray, Colorado 81427 pected tracery of line wound in and out...appears that not many specimens were saved from early mining operations, as only a few specimens are known to |  | | Book | | COLORADO'S HISTORIC MINING DISTRICTS ¢ LAURA ROSSETTER ys FULCRUM PUBLISHING GOLDEN, COLORADO @ Copyright...Rossetter, Laura. Mountain biking Colorado’s historic mining districts /Laura Rossetter. p. cm. Includes bibliographical...terrain cycling —Colorado—Guide-books. 2. Bicycle touring— Colorado — Guide-books. 3. Colorado — Description...Fulcrum Publishing 350 Indiana Street Golden, Colorado 80401 CONTENTS ACKNOWLEDGMENTS titer t COLORADOTAREAIMIAD...ase tetess tsoer err 35 ReGIon 2 — East CENTRAL COLORADO JET CLE hei pene veyRte ese EIST LP CPLY CTC LEPYT |  | | Journal (issue) | | R. Kampf Natural History Museum of Los Angeles County Arthur Roe Tucson, AZ Abraham Rosenzweig University.................. 239 by C. G. Doll Across the San Juan Mountains ......................................Mineralogical Research Co., 704 Charcot Avenue, San Jose, CA 95131. A list of other dealers in back issues...Czechoslovakia France Germany Japan Italy Mexico Namibia USSR USA Zaire Total Total number of species during 5-year...was seemingly limited to about 450-500 (although mining operations must have removed many); scouring of |  | | Report (issue) | | the acidic drainage in the Animas River watershed, San Juan County, Colorado Com piled by Stanley E. Church1...GEOLOGICAL SURVEY 1 Denver Federal Center, Denver, Colorado 80225 Table of Contents Chapter 1. Geologic.......1-1 Chapter 2. Pre-mining bed sediment geochemical baseline in the Animas River watershed, southwestern...acid-generating and acid-buffering minerals in the Animas River watershed as determined by AVIRIS, by J.B...leach procedures applied to metal-mining related wastes in Colorado and Montana and a relative ranking |  | | Journal (article/letter/editorial) | | ROSEMEYER 1632 Camp Bird Mine Road P.O. Box 586 Ouray, Colorado 81427 Mineral photography by Dan Behnke; specimens...situated at the head of Kendall Gulch, San Juan County, Colorado. During the 1993 collecting season, the...have been reported from the silver mines in the Colorado Front Range by Cobban (1980). Two other rare species...the first known occurrence of these minerals in Colorado. Other secondary minerals collected include anglesite...via a “jeep trail,” shown on the Silverton and Howardsville 7.5-minute quadrangle maps, that starts in Silverton |  | | Report (volume) | | REPORT ECONOMIC GEOLOGT 7 SILVERTON QUADRANGLE, COLORADO FREDERICK RANSOME WASHINGTON GOVERNMENT PRINTING...Whitman Cross........................... ........ San Juan volcanic area .......................... .......the volcanic area ......... ...........:..... San Juan formation . ...... ...'......--...-............................./................:. Methods of mining and treatment of ores....-....--. ...... ........-......,..........--......'.............. 188 San Juan Queen mine .-.---...,-.--.--..--...------ ... |  | | Report (issue) | | RECORDS PART 9.-COLORADO RIVER BASIN TO SEPTEMBER 30, 1948 Prepared by Tucson District UNITED STATES... C. INDEX OF._ SURFAC&WATER RECORDS PART 9.-COLORADO RIVER BASINTO SEPTEMBER 30, 1948 EXPLANATION...the stream-flow and reservoir stations in the Colorado River Basin for which records have been or are... 2 INDEX, PART 9, COLORADO RIVER BASIN Drainage area (square miles) Colorado River (Grand River) near...Lake, Colo •••••••• Colorado River below Shadow Mountain Reservoir, Colo ••• Colorado River (Grand River) |  | | Book (edition) | | Windham Report of 1S80 relating to the growing Mining Industry at Ouray is printed in its entirety. Many.................................... l ( 8-23 Quartz..................................................Mine; Past, Present. Future The Windham Report of Mining in Ouray in 1880 . . The Mineralogy at the Camp...(Insert) A Guide to Mineral Collecting at Ouray, Colorado with Notes as to the History and Geology By Ervan...Childers, Bruno Zanett, Ralph Stebbins, all of Ouray, Colorado; Margaret B. Allen, M.A., Orange, New Jersey; |  | | Book (edition) | | sOO0Ofoss Colorado LITHO BY WALSWORTH PUB. CO., INC., MARCELINE, MO. Colorado GOLD AND FARMS...Denver, of all other McMahon, unpublished Mining District, in reproduction. map Colo. places Albuquerque...Albuquerque, NM of Leadville a map of Territorial Colorado c. 1876, and a woodcut engraving Bird’s Eye View...scock G. York, Includes indexes. 1. Colorado. 2. Colorado. is Waele. Mines and mineral resources--...DressOne. MEXIC ies 35 Publisher’s Preface Colorado! The very name (which means “‘colored red’’) conjures |  | | Journal (article/letter/editorial) | | the famous mercury mines of Terlingua, Brewster County, Texas. Of these five species, only atacamite is...copper mines in the vicinity of Somerville, Somerset County, New Jersey, and the Wheatley mine near Phoenixville...at the Laurium and Wolverine mines of Houghton County; as bladed emerald-green crystals on fracture surfaces...surfaces at the Allouez mine, Keweenaw County; and in Ontonagon County where it occurs as small groups of...which has been prospected for copper in Cotton County, Oklahoma. It was apparently found in the Kendall |  | | Journal (issue) | | HALF OF THE HORSESHOE MOUNTAIN QUADRANGLE, NELSON COUNTY, VIRGINIA William Mark Bailey' 4D - The Horseshoe...quadrangle and is part of the Roseland titanium mining district. The area is mountainous with relief ranging...Geochemistry of the Grenville basement from the Roseland District, Virginia: Unpublished M.S. thesis, University...half of the Horseshoe Mountain quadrangle, Nelson County, Virginia: Unpublished M. S. thesis, University...Grand Junction, Colorado Dietrich, R. V., 1959, Geology and mineral resources of Floyd County of the Blue |
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Howardsville, Animas Mining District, San Juan County, Colorado, USA