Segment 25 of the Colorado Trail Starts at Little Molas Lake. Hikers
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Sunnyside 29 SGC-042125 Chapter VII Appendices
A PP E NDIX 7A: GEOLOGY APPENDIX 7B: HISTORY APPENDIX 7C: MINING HISTORY o j tlu* Animus /iu vr' A PP E N D I X 7 A O verview of Geology Anim as River W atershed Above Silverton Prepared for the Animas River Stakeholders Group Use Attainability Analysis Prepared By B.K Stover Colorado Division of Minerals and Geology VOLCANIC HISTORY OF THE SILVERTON CALDERA Water Quality Bedrock Geology Precambrian Metamorphic Roclcs Paleozoic Sedimentary Rocks Upper Paleozoic And Mesozoic Sedimentary Rocks ' Tertiary Sedimentary Rocks Tertiary Volcanic Rocks Surficial Geology Structural Geology nydrothcrmal Alteration CEMENT CREEK SUB-BASTN Stratigraphy Structural Geology nydrothcrmal Alteration Surficial Geology ROSS BASIN WATERSHED Bedrock Geology Structural Geology Itydrothermal Alteration Ore Mineralization Surficial Geology CEMENT CREEK-BONITA PEAK WATERSHED AREA Bedrock Geology Structural Geology Hydrothermal Alteration Ore Mineralization Surficial Geology SOUTH FORK CEMENT CREEK AREA 19 Location 19 Bcdrock Geology 19 Structural Geology 19 Hydrothermal Alteration 20 Ore Mineralization 20 Surficial Geology 20 PROSPECT GULCII-GEORGIA GULCH AREA 21 Location 21 Geologic Setting 21 Bedrock Geology 21 Structural Geology 22 Hydrothermal Alteration 22 Ore Mineralization 22 Surficial Geology 23 LOWER CEMENT CREEK AREA 24 Location 24 Geologic Setting 24 Bedrock Geology 24 Structural Geology 24 Hydrothermal Alteration 24 Ore Mineralization 25 Surficial Geology 25 ANIMAS RIVER HEADWATERS AND BURROWS CREEK 26 Location 26 Geologic Setting 27 CALIFORNIA GULCH -
Our Treasured San Juan Skyway Turns 25
Our Treasured San Juan Skyway Turns 25 ~~~ Ideas & Opportunities for the Future December 2014 Table of Contents Topic Page(s) Background 3 History, Successes and Past Collaboration 4-6 Public Engagement 6-8 Needs, Issues, Ideas for Action, and Opportunities 8-15 -Scenery and Visual Resources Management 8 -Preservation of Cultural and Historic Resources 9 -Infrastructure Improvements and Safety 10 -Opportunities for Joint Marketing and Promotion 12 -Way-Showing, Signage and Interpretation 14 -Other Comments and Ideas 15 Where to go from here? 16-18 Attachments A Sample Meeting Agenda B Meeting Notes from Mancos, Ridgway and Durango Meetings C Goals and “Take Aways” from the 2/26/13 Meeting in Ridgway for the San Juan Skyway Hosted by the Colorado Scenic and Historic Byways Program D Executive Summary of “A Framework for Way-Showing” – San Juan Skyway, June 2013 Accompanying this report is a progress report towards completion of projects identified in the San Juan Skyway Corridor Management Plan, completed in the mid-1990s. 1 | Page This report is being released by the San Juan Public Lands (USFS) and Montezuma Land Conservancy. These two organizations are currently serving as interim contacts for Skyway planning. The author is Marsha Porter-Norton, a regional consultant, who was hired to engage the communities along the Skyway at its 25th anniversary. This report follows and accompanies several plans that were done in the 1990s and 2000s related to the San Juan Skyway. Thanks go out to the Colorado Scenic and Historic Byways Program and to all the stakeholders and participants who gave input and time. -
Multiple Intrusions in the San Miguel Mountains, Colorado Calvin S
New Mexico Geological Society Downloaded from: http://nmgs.nmt.edu/publications/guidebooks/19 Multiple intrusions in the San Miguel Mountains, Colorado Calvin S. Bromfield and Alfred L. Bush, 1968, pp. 94-99 in: San Juan, San Miguel, La Plata Region (New Mexico and Colorado), Shomaker, J. W.; [ed.], New Mexico Geological Society 19th Annual Fall Field Conference Guidebook, 212 p. This is one of many related papers that were included in the 1968 NMGS Fall Field Conference Guidebook. Annual NMGS Fall Field Conference Guidebooks Every fall since 1950, the New Mexico Geological Society (NMGS) has held an annual Fall Field Conference that explores some region of New Mexico (or surrounding states). Always well attended, these conferences provide a guidebook to participants. Besides detailed road logs, the guidebooks contain many well written, edited, and peer-reviewed geoscience papers. These books have set the national standard for geologic guidebooks and are an essential geologic reference for anyone working in or around New Mexico. Free Downloads NMGS has decided to make peer-reviewed papers from our Fall Field Conference guidebooks available for free download. Non-members will have access to guidebook papers two years after publication. Members have access to all papers. This is in keeping with our mission of promoting interest, research, and cooperation regarding geology in New Mexico. However, guidebook sales represent a significant proportion of our operating budget. Therefore, only research papers are available for download. Road logs, mini-papers, maps, stratigraphic charts, and other selected content are available only in the printed guidebooks. Copyright Information Publications of the New Mexico Geological Society, printed and electronic, are protected by the copyright laws of the United States. -
Ski Development in National Forests Harris D
University of Colorado Law School Colorado Law Scholarly Commons The ubP lic Lands During the Remainder of the 20th Getches-Wilkinson Center Conferences, Century: Planning, Law, and Policy in the Federal Workshops, and Hot Topics Land Agencies (Summer Conference, June 8-10) 6-10-1987 Ski Development in National Forests Harris D. Sherman David S. Neslin Ian K. Whitlock Follow this and additional works at: http://scholar.law.colorado.edu/public-lands-during- remainder-planning-law-and-policy-in-federal-land-agencies Part of the Administrative Law Commons, Animal Law Commons, Animal Studies Commons, Aquaculture and Fisheries Commons, Courts Commons, Dispute Resolution and Arbitration Commons, Energy Law Commons, Energy Policy Commons, Environmental Law Commons, Environmental Policy Commons, Forest Management Commons, Indian and Aboriginal Law Commons, Judges Commons, Jurisdiction Commons, Land Use Planning Commons, Legislation Commons, Litigation Commons, Natural Resources and Conservation Commons, Natural Resources Law Commons, Natural Resources Management and Policy Commons, Oil, Gas, and Energy Commons, Oil, Gas, and Mineral Law Commons, Peace and Conflict Studies Commons, Politics Commons, Property Law and Real Estate Commons, Recreation, Parks and Tourism Administration Commons, Soil Science Commons, State and Local Government Law Commons, Water Law Commons, and the Water Resource Management Commons Citation Information Sherman, Harris D.; Neslin, David S.; and Whitlock, Ian K., "Ski Development in National Forests" (1987). The Public Lands During the Remainder of the 20th Century: Planning, Law, and Policy in the Federal Land Agencies (Summer Conference, June 8-10). http://scholar.law.colorado.edu/public-lands-during-remainder-planning-law-and-policy-in-federal-land-agencies/16 Reproduced with permission of the Getches-Wilkinson Center for Natural Resources, Energy, and the Environment (formerly the Natural Resources Law Center) at the University of Colorado Law School. -
Description of the Telluride Quadrangle
DESCRIPTION OF THE TELLURIDE QUADRANGLE. INTRODUCTION. along the southern base, and agricultural lands water Jura of other parts of Colorado, and follow vents from which the lavas came are unknown, A general statement of the geography, topography, have been found in valley bottoms or on lower ing them comes the Cretaceous section, from the and the lavas themselves have been examined slopes adjacent to the snow-fed streams Economic Dakota to the uppermost coal-bearing member, the only in sufficient degree to show the predominant and geology of the San Juan region of from the mountains. With the devel- imp°rtance- Colorado. Laramie. Below Durango the post-Laramie forma presence of andesites, with other types ranging opment of these resources several towns of tion, made up of eruptive rock debris and known in composition from rhyolite to basalt. Pene The term San Juan region, or simply " the San importance have been established in sheltered as the "Animas beds," rests upon the Laramie, trating the bedded series are several massive Juan," used with variable meaning by early valleys on all sides. Railroads encircle the group and is in turn overlain by the Puerco and higher bodies of often coarsely granular rocks, such as explorers, and naturally with indefinite and penetrate to some of the mining centers of Eocene deposits. gabbro and diorite, and it now seems probable limitation during the period of settle- sa^juan the the interior. Creede, Silverton, Telluride, Ouray, Structurally, the most striking feature in the that the intrusive bodies of diorite-porphyry and ment, is. now quite. -
Usfs Scenic Byway Art A
Prepared for U.S. Department of Transportation Federal Highway Administration Coordinated Federal Lands Highway Technology Implementation Program Prepared by USDA Forest Service San Dimas Technology and Development Center In association with USDA Forest Service U. S. Fish and Wildlife Service National Park Service ScenicByways Bureau of Land Management Bureau of Indian Affairs July 2002 A Design Guide for Roadside Improvements ScenicByways A Design Guide for Roadside Improvements Authors: Alan Yamada, USDA Forest Service Dick Ostergaard, USDA Forest Service Mari Jilbert, U.S. Fish and Wildlife Service Nancy Brunswick, USDA Forest Service Publication Design: Brian Milne, Milne Advertising / Design, Inc. Illustrations: Krista Harris, Krista Harris Designs i ii Purpose of This Design Guide oads are designated as scenic byways because of their unique, intrinsic qualities. By designation we Rinvite the public to visit, experience, and appreciate these special places. But designating a road as a scenic byway is only one step in a continuing process to maintain and enhance these corridors and the quality of the experience for travelers. Byway visitors need basic logistical information: where the route starts and ends, how long it takes to travel the route, what services and facilities exist, and precautions or restrictions along the route. They also want to know what makes this byway special. What are the unique natural features, the cultural history, and the stories of the people or events that shaped it? Providing this information and sharing these stories requires careful planning. Every addition or change to the byway impacts its character. Designing roadside improvements with this in mind can result in facilities that complement the byway. -
General Index
CAL – CAL GENERAL INDEX CACOXENITE United States Prospect quarry (rhombs to 3 cm) 25:189– Not verified from pegmatites; most id as strunzite Arizona 190p 4:119, 4:121 Campbell shaft, Bisbee 24:428n Unanderra quarry 19:393c Australia California Willy Wally Gully (spherulitic) 19:401 Queensland Golden Rule mine, Tuolumne County 18:63 Queensland Mt. Isa mine 19:479 Stanislaus mine, Calaveras County 13:396h Mt. Isa mine (some scepter) 19:479 South Australia Colorado South Australia Moonta mines 19:(412) Cresson mine, Teller County (1 cm crystals; Beltana mine: smithsonite after 22:454p; Brazil some poss. melonite after) 16:234–236d,c white rhombs to 1 cm 22:452 Minas Gerais Cripple Creek, Teller County 13:395–396p,d, Wallaroo mines 19:413 Conselheiro Pena (id as acicular beraunite) 13:399 Tasmania 24:385n San Juan Mountains 10:358n Renison mine 19:384 Ireland Oregon Victoria Ft. Lismeenagh, Shenagolden, County Limer- Last Chance mine, Baker County 13:398n Flinders area 19:456 ick 20:396 Wisconsin Hunter River valley, north of Sydney (“glen- Spain Rib Mountain, Marathon County (5 mm laths donite,” poss. after ikaite) 19:368p,h Horcajo mines, Ciudad Real (rosettes; crystals in quartz) 12:95 Jindevick quarry, Warregul (oriented on cal- to 1 cm) 25:22p, 25:25 CALCIO-ANCYLITE-(Ce), -(Nd) cite) 19:199, 19:200p Kennon Head, Phillip Island 19:456 Sweden Canada Phelans Bluff, Phillip Island 19:456 Leveäniemi iron mine, Norrbotten 20:345p, Québec 20:346, 22:(48) Phillip Island 19:456 Mt. St-Hilaire (calcio-ancylite-(Ce)) 21:295– Austria United States -
Summits on the Air – ARM for USA - Colorado (WØC)
Summits on the Air – ARM for USA - Colorado (WØC) Summits on the Air USA - Colorado (WØC) Association Reference Manual Document Reference S46.1 Issue number 3.2 Date of issue 15-June-2021 Participation start date 01-May-2010 Authorised Date: 15-June-2021 obo SOTA Management Team Association Manager Matt Schnizer KØMOS Summits-on-the-Air an original concept by G3WGV and developed with G3CWI Notice “Summits on the Air” SOTA and the SOTA logo are trademarks of the Programme. This document is copyright of the Programme. All other trademarks and copyrights referenced herein are acknowledged. Page 1 of 11 Document S46.1 V3.2 Summits on the Air – ARM for USA - Colorado (WØC) Change Control Date Version Details 01-May-10 1.0 First formal issue of this document 01-Aug-11 2.0 Updated Version including all qualified CO Peaks, North Dakota, and South Dakota Peaks 01-Dec-11 2.1 Corrections to document for consistency between sections. 31-Mar-14 2.2 Convert WØ to WØC for Colorado only Association. Remove South Dakota and North Dakota Regions. Minor grammatical changes. Clarification of SOTA Rule 3.7.3 “Final Access”. Matt Schnizer K0MOS becomes the new W0C Association Manager. 04/30/16 2.3 Updated Disclaimer Updated 2.0 Program Derivation: Changed prominence from 500 ft to 150m (492 ft) Updated 3.0 General information: Added valid FCC license Corrected conversion factor (ft to m) and recalculated all summits 1-Apr-2017 3.0 Acquired new Summit List from ListsofJohn.com: 64 new summits (37 for P500 ft to P150 m change and 27 new) and 3 deletes due to prom corrections. -
Abstracts, Posters and Program
Gold and Silver Deposits in Colorado Symposium Abstracts, posters And program Berthoud Hall, Colorado School of Mines Golden, Colorado July 20-24, 2017 GOLD AND SILVER DEPOSITS IN COLORADO SYMPOSIUM July 20-24, 2017 ABSTRACTS, POSTERS AND PROGRAM Principle Editors: Lewis C. Kleinhans Mary L. Little Peter J. Modreski Sponsors: Colorado School of Mines Geology Museum Denver Regional Geologists’ Society Friends of the Colorado School of Mines Geology Museum Friends of Mineralogy – Colorado Chapter Front Cover: Breckenridge wire gold specimen (photo credit Jeff Scovil). Cripple Creek Open Pit Mine panorama, March 10, 2017 (photo credit Mary Little). Design by Lew Kleinhans. Back Cover: The Mineral Industry Timeline – Exploration (old gold panner); Discovery (Cresson "Vug" from Cresson Mine, Cripple Creek); Development (Cripple Creek Open Pit Mine); Production (gold bullion refined from AngloGold Ashanti Cripple Creek dore and used to produce the gold leaf that was applied to the top of the Colorado Capital Building. Design by Lew Kleinhans and Jim Paschis. Berthoud Hall, Colorado School of Mines Golden, Colorado July 20-24, 2017 Symposium Planning Committee Members: Peter J. Modreski Michael L. Smith Steve Zahony Lewis C. Kleinhans Mary L. Little Bruce Geller Jim Paschis Amber Brenzikofer Ken Kucera L.J.Karr Additional thanks to: Bill Rehrig and Jim Piper. Acknowledgements: Far too many contributors participated in the making of this symposium than can be mentioned here. Notwithstanding, the Planning Committee would like to acknowledge and express appreciation for endorsements from the Colorado Geological Survey, the Colorado Mining Association, the Colorado Department of Natural Resources and the Colorado Division of Mine Safety and Reclamation. -
2012 Runners Manual July 13-15, 2012
2012 Runners Manual July 13-15, 2012 Silverton, Telluride, Ouray, Lake City Clockwise Direction i Executive Rules Summary We hope you read this manual in its entirety. But here is a summary of what we think are the important points! It is our goal to provide you a safe, well-organized and spectacular running experience. In order to do this we ask that you help us by abiding by these guidelines. 1. No Whining. 2. The Run Director has final authority on any question that may arise during the HRH. 3. You must leave each aid station by the posted cut-off time. If you return, it will be assumed you have abandoned your run attempt. 4. No littering. 5. No stashing of supplies along the course and no accepting aid except within 400 yards of a designated aid station. 6. You have agreed to be pulled for medical and safety reasons if it is determined that such action is in your best interest. 7. Aid station captains have the authority to act on behalf of the HRH run management. 8. Enjoy yourself!!!!! 9. Pacers may meet their runners at CREW ACCESS AID STATIONS ONLY. 10. You must kiss the HARDROCK upon your successful completion of the run. ii Hardrock Hundred Runners Manual 2012 (V1.4 12MAY12) Charlie Thorn 2012 Table of Contents 1. Introduction 6. Search and Rescue 1.1 Run Organization 6.1 Colorado Search and Rescue 2. Runner Information 7. Run Week Guidelines 2.1 Other Reading 7.1 Detailed Timeline 2.2 The Course 2.3 The Weather Wednesday, July 4, 2012 2.4 Training Friday-Sunday July 6-8, 2012 2.5 Route Finding Wednesday, July 11, 2012 2.6 Fauna and Flora Thursday, July 12, 2012 2.7 Dropping Out Friday, July 13, 2012 2.8 Cutoff Times Saturday, July 14, 2012 2.8.1 Sacking Out Sunday, July 15, 2012 3. -
Historic Mining Resources of San Juan County, Colorado______Name of Multiple Property Listing State ______
Historic Mining Resources of San Juan County, Colorado_________________ Name of Multiple Property Listing State _____________________________________________________________________________ Table of Contents for Written Narrative Provide the following information on continuation sheets. Cite the letter and title before each section of the narrative. Assign page numbers according to the instructions for continuation sheet in How to Complete the Multiple Property Documentation Form (National Register Bulletin 16B). Fill in page numbers for each section in the space below. PAGE NUMBERS SUBJECT TO CHANGE E 1 Statement of Historic Contexts………………………………………………………...….1 Introduction………………………………………………………………………….….…..1 The Physical Environment of San Juan County………………………………….….….…....2 San Juan County’s Mining Districts………………..………………………...………...…….5 Las Animas Mining District…………………………………………………..……...5 Eureka Mining District…………………………………………….….…………..…6 Cement Creek Sub-District……………………………………...………….………6 Mineral Creek Mining District………………………………………...…………….7 Ice Lake Mining District……………………………………………………...……..7 Mineral Point Mining District…………………………….………………...……….7 Poughkeepsie Mining District………………………………………………...…….7 Bear Creek Mining District…………………………………………….………...…8 E 1 The History of Mining in San Juan County………………………………………...….…8 The Gold Rush, 1860 – 1861……………………………………………..……….8 Return to the San Juans, 1870-1874 ……………………………………………12 Settlement and Establishment of Industry, 1875-1881 ………………………….29 The Early 1880s Boom, 1882-1885 ..…………………………………………...53 -
Colorado Bike Tour – San Juan Skyway Inn to Inn L
Colorado Bike Tour San Juan Skyway Inn to Inn Loop Start/End Location: Ridgway, Colorado Touring Style: Fully SAG Supported Inn to Inn Bike Tour Dates: Saturday June 23rd, 2012 to Friday June 29th, 2012 Pre-Trip Meeting Date: Q and A over Coffee Wed. May 30th 2012, Downtown Mill, 8th and P, 7pm Registration Deadline: Friday May 25th, 2012 Price*: $950 – students & members / $875 – non-member *Add $100 for transportation from Lincoln (5 max) Total Tour Days: 7 Days Riding Days: 5 Days Orientation Days: 1 Day Departure Days: 1 Day Total Miles: 233 miles Daily Mileage: 35 – 65 miles Total Elevation Gain/Loss: 15,000 feet Welcome to the Adventure! Congratulations on your decision to join Outdoor Adventures on a bike tour of the historic San Juan Skyway in southwestern Colorado. Now that you have registered, the next step is to prepare yourself and your bicycle for this exciting adventure. Please read over this packet carefully. It should help cyclists of all abilities better prepare for this trip and will hopefully answer many of the questions you may have. Please do not hesitate to contact your trip leaders with any inquiry. They would be excited to chat with you about your upcoming bike tour. Colorado Bike Tour – San Juan Skyway Inn to Inn Loop What could be better than spending a week cycling the valleys and steep mountain passes of beautiful southwestern Colorado? On this fully-supported bike tour, you and your tour mates will complete a 233-mile loop called the San Juan Skyway, traversing some of Colorado’s most scenic and challenging cycling terrain.