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| Wilderness Study Area, Pitkin County, Colorado U.S. GEOLOGICAL SURVEY BULLETIN 1717-B COLORADO Tf' A « '""-...place. Assignment of high resource potential to an area requires some positive knowledge that mineral-forming...processes have been active in at least part of the area. UNKNOWN mineral resource potential is assigned...for a specific type of resource in a well-defined area. Levels of Certainty U/A H'C H/B HIGH POTENTIAL...the San Isabel National Forest, south-central Colorado: U.S. Geological Survey Bulletin 1638, p. 40-42 |
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| the Aspen 15-minute Quadrangle, Pitkin and Gunnison Counties, Colorado By BRUCE BRYANT GEOLOGICAL SURVEY...PROFESSIONAL PAPER 1073 A study of an area at the intersection of the Colorado mineral belt with the west flank...the Aspen 15-Minute quadrangle, Pitkin and Gunnison Counties, Colorado (Geological Survey Professional...Bibliography: p. 123 1. Geology Colorado Aspen region. 2. Mines and mineral resources Colorado Aspen region. I. Title...Dolomite................................... Oilman Sandstone ............................... Leadville Limestone |
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| the Roaring Fork Valley and up Maroon Creek (right) and Castle Creek (left). Mountains left to right are:...p. Supt. of Docs. No.: I 19.3:1603 1. Geology Colorado Aspen Region. I. Martin, Peter L. III. Series...PLATES 1. Panoramas in the Aspen area: A. View from Castle Creek-Express Creek ridge showing White Rock pluton...Paleozoic red beds and hornfels 22 B. View up Conundrum Creek from ridge between East Maroon and Conundrum Creeks...west and north from the top of the Highlands ski area 24 FIGURES 1. Geologic history of Aspen region shown |
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| Ranger District of the Arapaho National Forest, Colorado U.S. GEOLOGICAL SURVEY BULLETIN 2035 Mineral...Ranger District of the Arapaho National Forest, Colorado By MARGO I. TOTH, ANNA B. WILSON, THERESA M. COOKRO...Ranger District of the Arapaho National Forest, Colorado / by Margo I. Toth ... [et al.]; with a section...mineral resources Colorado White River National Forest. 2. Mines and mineral resources Colorado Arapaho National...National Forest. 3. Geology Colorado White River National Forest. 4. Geology Colorado Arapaho National Forest |
 | Wallace, A.R., Ludington, Steve, Lovering, T.G., Campbell, D.L., Case, J.E., Grauch, V.J.S., Knepper, D.H. (1988) Leadville 1 degree x 2 degrees Quadrangle, Colorado; a pre-assessment. Open-File Report Vol. 1988 (88-74) US Geological Survey doi:10.3133/ofr8874 | Report (issue) |
| GEOLOGICAL SURVEY Leadville I°x2° quadrangle, Colorado: a pre-assessment by Alan R. Wallace , Steve...standards and stratigraphic nomenclature. Denver, Colorado -Menlo Park, California CONTENTS Page Preface...hydrothermal deposits.... Map showing tracts for sandstone-hosted deposits............. 18 19 20 TABLES...the Leadville I°x2° quadrangle in west-central Colorado under the Conterminous United States Mineral Resource...in west-central Colorado in the heart of the southern Rocky Mountains (fig. 1). The area combines a complex |
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| OF THE UPPER TRIASSIC CHINLE FORMATION, WESTERN COLORADO by Russell F. Dubiel and Gary Skipp U.S. Geological...MS 919 Box 25046 Denver Federal Center Denver, Colorado 80225 Open-File Report 89-2 This report is preliminary...sub-basin, and the White River uplift in western Colorado. Ten measured stratigraphic sections of the Chinle...the Ancestral Uncompaghre uplfits. In western Colorado, the Late Triassic climate was tropical monsoonal...alternating wet and dry seasons. INTRODUCTION In western Colorado, the Upper Triassic Chinle Formation is exposed |
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| of the Leadville 1°X2° quadrangle, west-central Colorado : summary and discussion I by Alan R. Wallace...Radioactive dating-Colorado-Leadville Region. 2. Geology, Stratigraphic. 3. Geology-Colorado-Leadville Region...geochronology samples, Leadville 1°X2 o quadrangle, Colorado. III IV CONTENTS FIGURES 1. 2. 3. 4. 5. 6...of the Leadville 1°X2° quadrangle, west-central Colorado........................ 2 Map showing major geologic...OF THE LEADVILLE 1°X2° QUADRANGLE, WEST-CENTRAL COLORADO-SUMMARY AND DISCUSSION By Alan R. Wallace ABSTRACT |
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| AND MINERAL DEPOSITS OF THE SNOWMASS MOUNTAIN AREA GUNNISON COUNTY, COLORADO BY JOHN W. VANDERWILT Prepared...cooperation with the STATE OF COLORADO, COLORADO METAL MINING FUND, COLORADO MINING ASSOCIATION and GEOLOGICAL...GEOLOGICAL SURVEY BOARD OF COLORADO UNITED STATES GOVERNMENT PRINTING OFFICE WASHINGTON : 1937 For sale...description__-_--_-_-_--__-_--__--_--_------__Entrada sandstone _ ______--___--__-___________-_____Morrison formation...correlation______.____i_..___.._.._..__ Granodiorite of Snowmass Mountain stock,________-_----_-_ Location and |
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| INTRUSIVE ROCKS OF COLORADO By Edward J. Young Prepared in cooperation with The Colorado Mining Industrial...Industrial Development Board and the Colorado Geological Survey This report is preliminary and has not been...intrusive rocks of Colorado » » » *«» In pocket Laramide-Tertiary intrusive rocks of Colorado By Edward...Laramide-Tertiary intrusive rocks in the State of Colorado, geologic age localities, mining districts, localities...This information is shown on the State map of Colorado (scale 1:500,000) accompanying this report. In |
 | Janzer, Victor J., Stanley, G.W., Long, H.K., Farrar, J.W., Brezina, K.A. (1991) Data for gross alpha, gross beta, gross radium as radium-226, and uranium in ground and surface waters in the United States, mid-1954 through 1965. Open-File Report Vol. 1991 (91-70) US Geological Survey doi:10.3133/ofr9170 | Report (issue) |
| GEOLOGICAL SURVEY Oper>-File Report 91-70 Denver, Colorado 1991 U.S. DEPARTMENT OF THE INTERIOR MANUEL...developed (about 1954) at the Denver Federal Center in Colorado for the determination of gross alpha, gross beta...gross radioactivity in water samples from a specific area commonly obviates the need for repetitive sampling...records, and when available, includes the state, county, location of point of collection, and date and...pCi/L, picocuries per liter; fluor.. fluorometric; County Nearest community Location of point of collection |
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| Uinta, Piceance, and Eagle Basins, Northwestern Colorado and Northeastern Utah U.S. GEOLOGICAL SURVEY... Rm G-84 DENVER, Colorado-Federal Bldg., Rm. 169,1961 Stout St. LAKEWOOD, Colorado-Federal Center, Bldg...Uinta, Piceance, and Eagle Basins, Northwestern Colorado and Northeastern Utah By RUSSELL F. DUBIEL A...Uinta, Piceance, and Eagle basins, northwestern Colorado and northeastern Utah / by RussellF. Dubiel. p...1. Geology, Stratigraphic Triassic. 2. Geology Colorado. 3. Geology Utah. 4. Chinle Formation. I. Title |
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| some deposits (Hermosa and Supai Groups) on the Colorado Plateau. Lower Permian (Wolfcampian) erg deposits...are more widespread and thicken into the central Colorado Plateau. Middle Permian (Leonardian I) erg deposits...Formations) are distributed across the southern Colorado Plateau on the north edge of the Holbrook basin...Sandstones) are slightly more widespread on the southern Colorado Plateau. Leonardian III erg deposits formed adjacent...Rim Sandstones) and in north-central Colorado (Lyons Sandstone). Recognized Triassic eolian deposits |
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| 9 .-Colorado River Basin Index of Surface-Water Records to September 30, 1967 Part 9 .-Colorado River...Surface-Water Records to September 30, 1967 Part 9 .-Colorado River Basin By H. P. Eisenhuth INTRODUCTION...lists the streamflow and reservoir stations in the Colorado River basin for which records have been or are...one each for the States of Alaska and Hawaii. The area of the other 48 States is divided into 14 parts...number shown in this index is 0207. DRAINAGE AREA The drainage area, in square miles, is the latest figure |
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| Surface-Water Records to September 30, 1970 Part 9.-Colorado River Basin GEOLOGICAL SURVEY CIRCULAR 659 Index...Surface-Water Record!~ to September 30, 1970 Part 9.-Colorado River Basin GEOLOGICAL SURVEY Washington 1971...Surface-Water Records to September 30, 1970 Part 9.-Colorado River Basin INTRODUCTION This report lists the...the streamflow and reservoir stations in the Colorado River basin for which records have been or are to...one each for the States of Alaska and Hawaii. The area of the other 48 States is divided into 14 parts |
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| CHARLES D. WALCOTT, DIRECTOR A GAZE~?TEER OF COLORADO BY HEN.R Y GANNETT WASHINGTON GOVERNMENT PRINTING... _A GAZETTEER OF COLORADO. By HENRY ' GANNET,T. GENERAL DESCRIPTION. Colorado is_situated about midway... and of its south boundary 387 miles. The gross area of th~ State, as cq:r;np~ted. by ·square degr~es...bod1es of water leaves 103,658 square _m~les of land area. TOPOGRAPHY. 1~ ~general terms, .the ea~tern...GAZETTEER OF COLORADO. through the Park Range on its way to join Green River, forming the Colorado. Middle |
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| . . Alabama ........ . Adams Gap and Shinbone Creek Roadless Areas, Alabama, by T . L. Klein and Donald...Donald K. Harrison Big Sandy, West Elliotts Creek, and Reed Brake Roadless Areas, Alabama, by Sam H. Patterson.... Glacier Bay ational Monument Wilderness study area, Alaska, by David A. Brew and Arthur L. Kimball...Kimball ..... Granite Fiords Wilderness study area, Alaska, by Henry C. Berg and Tom L. Pittman ................... . Tracy Arm-Fords Terror Wilderness study area and vicinity, Alaska, by David A. Brew and A. L |
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| Formations in the Little Snake River area of northwestern Colorado, by E. J. McKay. . Disseminated sulfide...lacustrine Pliocene tuffs near Wikieup, Mohave County, Ariz., by R. A. Sheppard and A. J. Gude 3d . .... . . Permian deformation in the Eagle basin, Colorado, by V. L. Freeman . . . . . . . . . . . . . ....by James Sprinkle Geology of the Carter Caves Sandstone (Mississippian) in northeastern Kentucky, by K...rock units in the Causey Dam quadrangle, Weber County, Utah, by T. E. Mullens 89 99 105 Sedimentation |
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| ace-Water Records to December 31, 1963 Part 9. Colorado River Basin GEOLOGICAL SURVEY CIRCULAR 509 Index...ace-Water Records to December 31, 1963 Part 9. Colorado River Basin By H. P. Eisenhuth Geological Survey...Surface-Water Records to December 31, 1963 Part 9. Colorado River Basin By H. P. Eisenhuth INTRODUCTION This...lists the streamflow and reservoir stations in the Colorado River basin for which records have been or are...one each for the States of Alaska and Hawaii. The area of the other 48 States is divided into 14 parts |
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| Institute of Arctic and Alpine Research. University of Colorado. Boulder, Colo. Arctic lnst. North America Research...Ill. Colorado School Mines Mineral Industries Bull. Industries Bulletin. Golden, Colo. Colorado School...Mines Mineral Colorado School Mines Prof. Contr.-Professional Contributions of the Colorado School of Mines...Mines. Golden, Colo. Colorado School Mines Quart.-Quarterly of the Colorado School of Mines. Colo. Golden...Golden, Colorado-Wyoming Acad. Sci. Jour.-Journal of the Colorl;ldo-Wyoming Academy of Science. Colorado |
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| Water Resources of the Upper Colorado River Basin Technical Report GEOLOGICAL SURVEY PROFESSIONAL PAPER...PAPER 441 Water Resources of the Upper Colorado River BasinTechnical Report By W. V. ,IORNS, C. H. HEMBREE...and G. L. OAKLAND WATER RESOURCES OF THE UPPER COLORADO RIVER BASIN TECHNICAL REPORT GEOLOGICAL SURVEY...an appraisal of the water resources ofthe Upper Colorado River Basin, with special emphasis on surface...in separate volume] PLATES 1-3. Map of Upper Colorado River Basin showing the distribution of hydrologic |
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| 469 Summary and Review 476 Focus Study 15-1: The Colorado River: A System Out of Balance 470 News Report...the Mount St. Helens eruption, the status of the Colorado River, and the loss of biodiversity. | Life on...comprehensive in that it is true to each subject area from which it draws content. This diversity is a...constructed form materials derived form the surrounding area. Place Tangible and intangible living and nonliving...=s how Earth’s processes interact over space or area. : <2 ay aphythus centers on spatial analysis 1 |
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| imperial Gallons (gal), U.S. Gallons (gal), imperial Area Square centimeters (cm?) Hectare (ha) Square kilometers...(in) Feet (ft) Yards (yd) Miles (mi) Statute mile Area Square inches (in?) Acres (a) Square miles (mi...Mount Saint Helens eruption, the status of the Colorado River, fire ecology, and biosphere reserves...Washington University David E. Greenland University of Colorado John Hall Louisiana State University— Shreveport...SYSTEM 459 Depositional Coastal Processes and The Colorado 439 River: A Landforms Beaches 460 o Barrier |
