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University of Oklahoma Graduate College
UNIVERSITY OF OKLAHOMA GRADUATE COLLEGE POTENTIAL FIELD STUDIES OF THE CENTRAL SAN LUIS BASIN AND SAN JUAN MOUNTAINS, COLORADO AND NEW MEXICO, AND SOUTHERN AND WESTERN AFGHANISTAN A DISSERTATION SUBMITTED TO THE GRADUATE FACULTY in partial fulfillment of the requirements for the Degree of DOCTOR OF PHILOSOPHY By BENJAMIN JOHN DRENTH Norman, Oklahoma 2009 POTENTIAL FIELD STUDIES OF THE CENTRAL SAN LUIS BASIN AND SAN JUAN MOUNTAINS, COLORADO AND NEW MEXICO, AND SOUTHERN AND WESTERN AFGHANISTAN A DISSERTATION APPROVED FOR THE CONOCOPHILLIPS SCHOOL OF GEOLOGY AND GEOPHYSICS BY _______________________________ Dr. G. Randy Keller, Chair _______________________________ Dr. V.J.S. Grauch _______________________________ Dr. Carol Finn _______________________________ Dr. R. Douglas Elmore _______________________________ Dr. Ze’ev Reches _______________________________ Dr. Carl Sondergeld © Copyright by BENJAMIN JOHN DRENTH 2009 All Rights Reserved. TABLE OF CONTENTS Introduction…………………………………………………………………………..……1 Chapter A: Geophysical Constraints on Rio Grande Rift Structure in the Central San Luis Basin, Colorado and New Mexico………………………………………………………...2 Chapter B: A Geophysical Study of the San Juan Mountains Batholith, southwestern Colorado………………………………………………………………………………….61 Chapter C: Geophysical Expression of Intrusions and Tectonic Blocks of Southern and Western Afghanistan…………………………………………………………………....110 Conclusions……………………………………………………………………………..154 iv LIST OF TABLES Chapter A: Geophysical Constraints on Rio Grande Rift Structure in the Central -
Wilderness Visitors and Recreation Impacts: Baseline Data Available for Twentieth Century Conditions
United States Department of Agriculture Wilderness Visitors and Forest Service Recreation Impacts: Baseline Rocky Mountain Research Station Data Available for Twentieth General Technical Report RMRS-GTR-117 Century Conditions September 2003 David N. Cole Vita Wright Abstract __________________________________________ Cole, David N.; Wright, Vita. 2003. Wilderness visitors and recreation impacts: baseline data available for twentieth century conditions. Gen. Tech. Rep. RMRS-GTR-117. Ogden, UT: U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station. 52 p. This report provides an assessment and compilation of recreation-related monitoring data sources across the National Wilderness Preservation System (NWPS). Telephone interviews with managers of all units of the NWPS and a literature search were conducted to locate studies that provide campsite impact data, trail impact data, and information about visitor characteristics. Of the 628 wildernesses that comprised the NWPS in January 2000, 51 percent had baseline campsite data, 9 percent had trail condition data and 24 percent had data on visitor characteristics. Wildernesses managed by the Forest Service and National Park Service were much more likely to have data than wildernesses managed by the Bureau of Land Management and Fish and Wildlife Service. Both unpublished data collected by the management agencies and data published in reports are included. Extensive appendices provide detailed information about available data for every study that we located. These have been organized by wilderness so that it is easy to locate all the information available for each wilderness in the NWPS. Keywords: campsite condition, monitoring, National Wilderness Preservation System, trail condition, visitor characteristics The Authors _______________________________________ David N. -
Statement of Dan Gibbs Executive Director Colorado Department Of
Statement of Dan Gibbs Executive Director Colorado Department of Natural Resources Before The Subcommittee on National Parks, Forests, and Public Lands of The House Natural Resources Committee April 2, 2019 Chairwoman Haaland, Ranking Member Young, and Members of the Subcommittee: On behalf of Governor Polis and the State of Colorado, we appreciate the opportunity to provide testimony on the Colorado Outdoor Recreation and Economy Act (H.R. 823). We strongly support the CORE Act and hope Congress will move swiftly to enact it. Governor Polis would have liked to be here today with his former colleagues to express his strong support for this legislation. As you know, as a member of Congress, Governor Polis had sponsored the Continental Divide Recreation, Wilderness and Camp Hale Legacy Act, which has now been incorporated into the broader CORE Act. Introduction This legislation—the product of years of collaboration among elected officials, businesses, community members, and a myriad of other interested and affected stakeholders across Colorado—would protect some of the most beloved public lands in Colorado for their unsurpassed recreation, scenery, wildlife, watersheds, historic, and other unique values. As the Executive Director of the Colorado Department of Natural Resources, I support this bill because it will benefit our wildlife by protecting critical habitat and migration corridors; it will protect the outstanding recreational experiences that bring people from across Colorado—and the world—to these special places; it will help safeguard Colorado’s water resources by protecting key watersheds and all water rights; it strikes the right balance by protecting key public lands from development, while protecting all existing mineral rights and leaving other appropriate lands available for mining, oil, and gas development; and because it complements the values and opportunities associated with our state lands. -
Subgrid Variability of Snow Water Equivalent at Operational Snow Stations in the Western USA
HYDROLOGICAL PROCESSES Hydrol. Process. 27, 2383–2400 (2013) Published online 24 May 2012 in Wiley Online Library (wileyonlinelibrary.com) DOI: 10.1002/hyp.9355 Subgrid variability of snow water equivalent at operational snow stations in the western USA Leah Meromy,1* Noah P. Molotch,1,2 Timothy E. Link,3 Steven R. Fassnacht4 and Robert Rice5 1 Department of Geography, Institute of Arctic and Alpine Research, University of Colorado at Boulder, Boulder, CO, USA 2 Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, USA 3 Department of Forest Ecology and Biogeosciences, University of Idaho, Moscow, ID, USA 4 ESS – Watershed Science, Colorado State University, Fort Collins, CO, USA 5 Sierra Nevada Research Institute, University of California at Merced, Merced, CA, USA Abstract: The spatial distribution of snow water equivalent (SWE) is a key variable in many regional-scale land surface models. Currently, the assimilation of point-scale snow sensor data into these models is commonly performed without consideration of the spatial representativeness of the point data with respect to the model grid-scale SWE. To improve the understanding of the relationship between point-scale snow measurements and surrounding areas, we characterized the spatial distribution of snow depth and SWE within 1-, 4- and 16-km2 grids surrounding 15 snow stations (snowpack telemetry and California snow sensors) in California, Colorado, Wyoming, Idaho and Oregon during the 2008 and 2009 snow seasons. More than 30 000 field observations of snowpack properties were used with binary regression tree models to relate SWE at the sensor site to the surrounding area SWE to evaluate the sensor representativeness of larger-scale conditions. -
Historical Range of Variability and Current Landscape Condition Analysis: South Central Highlands Section, Southwestern Colorado & Northwestern New Mexico
Historical Range of Variability and Current Landscape Condition Analysis: South Central Highlands Section, Southwestern Colorado & Northwestern New Mexico William H. Romme, M. Lisa Floyd, David Hanna with contributions by Elisabeth J. Bartlett, Michele Crist, Dan Green, Henri D. Grissino-Mayer, J. Page Lindsey, Kevin McGarigal, & Jeffery S.Redders Produced by the Colorado Forest Restoration Institute at Colorado State University, and Region 2 of the U.S. Forest Service May 12, 2009 Table of Contents EXECUTIVE SUMMARY … p 5 AUTHORS’ AFFILIATIONS … p 16 ACKNOWLEDGEMENTS … p 16 CHAPTER I. INTRODUCTION A. Objectives and Organization of This Report … p 17 B. Overview of Physical Geography and Vegetation … p 19 C. Climate Variability in Space and Time … p 21 1. Geographic Patterns in Climate 2. Long-Term Variability in Climate D. Reference Conditions: Concept and Application … p 25 1. Historical Range of Variability (HRV) Concept 2. The Reference Period for this Analysis 3. Human Residents and Influences during the Reference Period E. Overview of Integrated Ecosystem Management … p 30 F. Literature Cited … p 34 CHAPTER II. PONDEROSA PINE FORESTS A. Vegetation Structure and Composition … p 39 B. Reference Conditions … p 40 1. Reference Period Fire Regimes 2. Other agents of disturbance 3. Pre-1870 stand structures C. Legacies of Euro-American Settlement and Current Conditions … p 67 1. Logging (“High-Grading”) in the Late 1800s and Early 1900s 2. Excessive Livestock Grazing in the Late 1800s and Early 1900s 3. Fire Exclusion Since the Late 1800s 4. Interactions: Logging, Grazing, Fire, Climate, and the Forests of Today D. Summary … p 83 E. Literature Cited … p 84 CHAPTER III. -
LIZARD HEAD WILDERNESS Grand Mesa, Uncompahgre and Gunnison National Forests San Juan National Forest
LIZARD HEAD WILDERNESS Grand Mesa, Uncompahgre and Gunnison National Forests San Juan National Forest The following acts are prohibited on National Forest System lands within the Lizard Head Wilderness on the Norwood Ranger District of the Grand Mesa, Uncompahgre, and Gunnison National Forests and on the Mancos - Dolores Ranger District of the San Juan National Forest 1. Entering or being in the restricted area with more than 15 people per group, with a maximum combination of people and stock not to exceed 25 per group. 36 CFR 261.58(f) 2. Building, maintaining or using a fire, campfire, or wood-burning stove fire: a) Within one hundred (100) feet of any lake, stream or National Forest System Trail. b) Above tree line. c) Within Navajo Basin of the restricted area (as depicted on Exhibit A; and at T.41N.,R.10W NMPM, portions of Sections 4,5,6; T.41N,R.11W NMPM, a portion of Section 1; and T42N R10W NMPM, portions of Section 31, 32, 33.). 36 CFR 261.52(a) 3. Storing equipment, personal property, or supplies for longer than three (3) days. 36 CFR 261.57 (f) 4. Hitching, tethering, hobbling or otherwise confining a horse or other saddle or pack animal: 1) in violation of posted instructions, or 2) within 100 feet of all lakes, streams, and National Forest System Trails. Pursuant to 36 CFR 261.51, this Order shall also constitute posted instructions. 36 CFR 261.58 (aa). 5. Possessing a dog that is a) not under control, or that is disturbing or damaging wildlife, people or property. -
Rocky Mountain U.S
National Park Service Rocky Mountain U.S. Department of the Interior Rocky Mountain National Park Wild Basin Area Summer Trail Guide Welcome to Wild Basin. Rich in wildlife and scenery, this deep valley has flowing rivers, roaring waterfalls, and sparkling lakes rimmed by remote, jagged peaks. Tips for a Narrow Road, Limited Parking Watch the Weather: It Changes Quickly! Great Hike Wild Basin Road is gravel and often narrows to Thunderstorms are common in summer and one lane. It isn’t suitable for large vehicles like are dangerous. Plan your day to be below RVs. Park only in designated areas. Don’t park treeline by early afternoon. If you see building in wide spots in the road, which let oncoming storm clouds, head back to the trailhead. If cars pass each other. Violators may be ticketed caught in a lightning storm, get below treeline. or towed. Always carry storm gear, even if the sky is clear You Must Properly Store Food Items at when you start your hike. Trailheads and Wilderness Campsites Improperly stored food items attract wildlife, It might be summer, but expect snow, gusty including black bears, which can visit any time winds, and cold temperatures at any time. of day. Food items are food, drinks, toiletries, Carry layers of windproof clothing. If the cosmetics, pet food and bowls, and odiferous weather turns, you’ll be glad to have them. attractants. Garbage, including empty cans and food wrappers, must be stored or put in Bring the Right Gear trash or recycling bins. 3 Bring waterproof outer layers and extra lay- ers for warmth. -
2015 SSSA Program
Latinos and the Change of a Nation: Implications for the Social Sciences 95th Annual Meeting of the Southwestern Social Science Association April 8 – 11, 2015 Grand Hyatt, Denver Denver, Colorado 1 SSSA Events Time Location Wednesday April 8 Registration & Exhibits 2:00 - 5:00 p.m. Imperial Ballroom SSSA Executive Committee 3:00 - 5:00 p.m. Mount Harvard Nominations Committee Meeting 1 4:00 – 5:30 pm Mount Yale Thursday April 9 Registration & Exhibits 8:00 a.m. – 5:00 p.m. Imperial Ballroom Nominations Committee 8:30 - 9:45 a.m. Mount Harvard Membership Committee 8:30 - 9:45 a.m. Mount Yale Budget and Financial Policies Committee 8:30 - 9:45 a.m. Mount Oxford Resolutions Committee 10:00 - 11:15 a.m. Mount Harvard Editorial Policies Committee 10:00 - 11:15 a.m. Mount Oxford Site Policy Committee 10:00 - 11:15 a.m. Mount Yale SSSA Council 1:00 - 3:45 p.m. Mount Oxford SSSA Presidential Address 4:00 - 5:15 p.m. Mount Sopris B SSSA Presidential Reception 5:30 - 7:30 p.m. Mount Evans Friday April 10 Registration & Exhibits 8:00 a.m. – 5:00 p.m. Imperial Ballroom SSSA Student Social & Welcome Continental 7:15 – 8:45 a.m. Grand Ballroom Breakfast (FOR REGISTERED STUDENTS ONLY, No Guests or Faculty/Professional Members) SSSA General Business Meeting 1:00 - 2:15 p.m. Grand Ballroom Saturday April 11 Registration 8:00 – 11:00 am Imperial Ballroom 2016 Program Committee 7:15 - 8:30 a.m. Pike’s Peak Getting to Know SSSA 8:30 – 9:15 a.m. -
Colorado Fourteeners Checklist
Colorado Fourteeners Checklist Rank Mountain Peak Mountain Range Elevation Date Climbed 1 Mount Elbert Sawatch Range 14,440 ft 2 Mount Massive Sawatch Range 14,428 ft 3 Mount Harvard Sawatch Range 14,421 ft 4 Blanca Peak Sangre de Cristo Range 14,351 ft 5 La Plata Peak Sawatch Range 14,343 ft 6 Uncompahgre Peak San Juan Mountains 14,321 ft 7 Crestone Peak Sangre de Cristo Range 14,300 ft 8 Mount Lincoln Mosquito Range 14,293 ft 9 Castle Peak Elk Mountains 14,279 ft 10 Grays Peak Front Range 14,278 ft 11 Mount Antero Sawatch Range 14,276 ft 12 Torreys Peak Front Range 14,275 ft 13 Quandary Peak Mosquito Range 14,271 ft 14 Mount Evans Front Range 14,271 ft 15 Longs Peak Front Range 14,259 ft 16 Mount Wilson San Miguel Mountains 14,252 ft 17 Mount Shavano Sawatch Range 14,231 ft 18 Mount Princeton Sawatch Range 14,204 ft 19 Mount Belford Sawatch Range 14,203 ft 20 Crestone Needle Sangre de Cristo Range 14,203 ft 21 Mount Yale Sawatch Range 14,200 ft 22 Mount Bross Mosquito Range 14,178 ft 23 Kit Carson Mountain Sangre de Cristo Range 14,171 ft 24 Maroon Peak Elk Mountains 14,163 ft 25 Tabeguache Peak Sawatch Range 14,162 ft 26 Mount Oxford Collegiate Peaks 14,160 ft 27 Mount Sneffels Sneffels Range 14,158 ft 28 Mount Democrat Mosquito Range 14,155 ft 29 Capitol Peak Elk Mountains 14,137 ft 30 Pikes Peak Front Range 14,115 ft 31 Snowmass Mountain Elk Mountains 14,099 ft 32 Windom Peak Needle Mountains 14,093 ft 33 Mount Eolus San Juan Mountains 14,090 ft 34 Challenger Point Sangre de Cristo Range 14,087 ft 35 Mount Columbia Sawatch Range -
Profiles of Colorado Roadless Areas
PROFILES OF COLORADO ROADLESS AREAS Prepared by the USDA Forest Service, Rocky Mountain Region July 23, 2008 INTENTIONALLY LEFT BLANK 2 3 TABLE OF CONTENTS ARAPAHO-ROOSEVELT NATIONAL FOREST ......................................................................................................10 Bard Creek (23,000 acres) .......................................................................................................................................10 Byers Peak (10,200 acres)........................................................................................................................................12 Cache la Poudre Adjacent Area (3,200 acres)..........................................................................................................13 Cherokee Park (7,600 acres) ....................................................................................................................................14 Comanche Peak Adjacent Areas A - H (45,200 acres).............................................................................................15 Copper Mountain (13,500 acres) .............................................................................................................................19 Crosier Mountain (7,200 acres) ...............................................................................................................................20 Gold Run (6,600 acres) ............................................................................................................................................21 -
ZOOLOGY Exploring the Biodiversity of Colorado and Theworld
CHAPTER 4 — ZOOLOGY Exploring the Biodiversity of Colorado and the World CHAPTER 4 ZOOLOGY Exploring the Biodiversity of Colorado and the World Jeffrey T. Stephenson, Before the Museum Paula E. Cushing, The first collections of specimens that make up what is now the Denver John R. Demboski, and Museum of Nature & Science were actually established well before the Frank-T. Krell founding of the institution in 1900, the selection of a board of trustees, or the construction of a building to house and exhibit the specimens. Edwin Carter (1830–1900) (Fig. 4.1) collected Colorado birds and mammals from the 1860s through the 1890s. Born in New York in 1830, Carter arrived in Colorado in 1859 hoping to make it rich in the goldfields, but he soon became interested in the region’s natural history. He learned hide tanning and, as his prospects for hitting the mother lode faded, he earned his living selling buckskin clothing that he handcrafted. Carter supplemented these earnings by mar- keting foodstuffs and other provisions to the growing population of successful and (mostly) unsuccessful prospectors flooding the region. His interest in nature turned to concern as he observed dwindling numbers of mammals and birds, owing largely to habitat destruction and overhunting. Period photographs of the area’s mining district show a landscape largely denuded of vegetation. By the 1870s, Carter noted that many animal species were becoming scarce. The state’s forests were being devastated, ranches and farms were replacing open prairie, and some species, including the last native bison in Colorado, were on the verge of extirpation or extinction. -
Grand Mesa, Uncompahgre, and Gunnison National Forests DRAFT Wilderness Evaluation Report August 2018
United States Department of Agriculture Forest Service Grand Mesa, Uncompahgre, and Gunnison National Forests DRAFT Wilderness Evaluation Report August 2018 Designated in the original Wilderness Act of 1964, the Maroon Bells-Snowmass Wilderness covers more than 183,000 acres spanning the Gunnison and White River National Forests. In accordance with Federal civil rights law and U.S. Department of Agriculture (USDA) civil rights regulations and policies, the USDA, its Agencies, offices, and employees, and institutions participating in or administering USDA programs are prohibited from discriminating based on race, color, national origin, religion, sex, gender identity (including gender expression), sexual orientation, disability, age, marital status, family/parental status, income derived from a public assistance program, political beliefs, or reprisal or retaliation for prior civil rights activity, in any program or activity conducted or funded by USDA (not all bases apply to all programs). Remedies and complaint filing deadlines vary by program or incident. Persons with disabilities who require alternative means of communication for program information (e.g., Braille, large print, audiotape, American Sign Language, etc.) should contact the responsible Agency or USDA’s TARGET Center at (202) 720-2600 (voice and TTY) or contact USDA through the Federal Relay Service at (800) 877-8339. Additionally, program information may be made available in languages other than English. To file a program discrimination complaint, complete the USDA Program Discrimination Complaint Form, AD-3027, found online at http://www.ascr.usda.gov/complaint_filing_cust.html and at any USDA office or write a letter addressed to USDA and provide in the letter all of the information requested in the form.