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Fractured Rock Aquifers & Wells
Slide 1 Fractured Rock Aquifers & Wells – Connections Matter Custer & Fremont Counties, CO Presented October 22, 2019 This is an abbreviated version of the Oct. 22, 2019, presentation on fractured rock aquifers by Valda Terauds, San Isabel Land Protection Trust staff hydrologist, at the community room at Cliff Lanes, Westcliffe, CO. Image courtesy of USGS Circular 1349 (2010) Slide 2 Fractured Rock Aquifers Alluvial Aquifer Aerial Image of Westcliffe in the center, Lake DeWeese in the upper left. The alluvial aquifer occurs in the green foreground area, the fractured rock aquifers occur in the brown areas extending into the Wet Mountains. Photo ©2016 Greg Smith, Memorial Day weekend Slide 3 The alluvial aquifer in Custer County is the high-yield water resource supporting irrigated agriculture and ranching on the valley floor. It occurs in a graben (deep valley bounded by faults) generally west of Highway 69 to the eastern flanks of the Sangre de Cristo mountain range. It ranges in thickness from 1,200 to 6,700 ft thick and is comprised of sands, gravels and boulders with interbedded clay layers. In one cubic foot of aquifer material (about the size of a basketball) you might yield 1.5 to 3 gallons of water. The fractured rock aquifers in Custer County provide small amounts of water to individual wells. Rock types include Precambrian granite, gneiss, hornblende and volcanic rock types such as rhyolite, tuffs, and other volcanics. The rock itself does not store much water. For a similar 1 cubic foot of fractured rock aquifer, you might yield 1/2 of a cup of water. -
Water-Resources Appraisal of the Wet Mountain Valley, in Parts of Custer and Fremont Counties, Colorado
WATER-RESOURCES APPRAISAL OF THE WET MOUNTAIN VALLEY, IN PARTS OF CUSTER AND FREMONT COUNTIES, COLORADO U. S. GEOLOGICAL SURVEY Water-Resources Investigations 78-1 Water Prepared in cooperation with the Southeastern Colorado Wat^rOLOHAp Conservancy District U.S.G \ WRD, \N UNITED STATES DEPARTMENT OF THE INTERIOR GEOLOGICAL SURVEY WATER-RESOURCES APPRAISAL OF THE WET MOUNTAIN VALLEY, IN PARTS OF CUSTER AND FREMONT COUNTIES, COLORADO By Clark J. Londquist and Russell K. Livingston U.S. GEOLOGICAL SURVEY Water-Resources Investigations 78-1 Prepared in cooperation with the Southeastern Colorado Water Conservancy District Water Resources Library Open-File Report February 1978 UNITED STATES DEPARTMENT OF THE INTERIOR CECIL D. ANDRUS, Secretary GEOLOGICAL SURVEY W. A. Radlinski, Acting Director Open-File Report For additional information write to: District Chief U.S. Geological Survey Box 25046, Mail Stop 415 Denver Federal Center Denver, Colo. 80225 CONTENTS Page Metric conversion ............................ IV Abstract. ................................ 1 Introduction. .............................. 2 Geohydrologic setting .......................... 2 Ground-water occurrence ......................... 6 Mountainous area .......................... 6 Valley-floor area. ......................... 8 Ground-water movement .......................... 12 Surface water .............................. 13 Streamflow ............................. 13 Runoff analysis. .......................... 21 Magnitude and frequency of floods. ................. 21 Generalized -
Town of Westcliffe Master Plan
Town of Westcliffe Master Plan August 2017 Vision The goal of Westcliffe is to be a vital community for residents, businesses and tourists. Quality shopping for both residents and tourists can be ensured with a diverse business community. Residents and visitors enjoy a variety of entertainment choices for out- door activities, art, theater, music and dark skies and adventure enthusiasts. The town will retain its old time charm while providing necessary infrastructure. Westcliffe will be a model healthy community. Mission To realize the town’s vision by 2020, new employers must be recruited and sold on locating in Westcliffe. These will need to be existing small companies with low environmental impact that are successful and have an existing workforce willing to relocate. Renewed efforts toward creating a culture of business friendliness for all citizens that have frequent contact with local business owners and employees will be a mandatory step. The town’s position must be future oriented as it relates to the maintenance and expansion of infrastructure. Plentiful water, good roads and a modern waste disposal facility are important if businesses are to see the community as a good place to locate. Hand in glove with infrastructure is a financially stable, efficiently run town government. A willingness to attract and welcome new residents, particularly those with young families is a must if new businesses are to have customers and future employees. Steady growth fueled by new business ventures will enable the town to remain prosperous while -
Level 4 Potential Conservation Area (PCA) Report Name Grape Creek Site Code S.USCOHP*8060
Level 4 Potential Conservation Area (PCA) Report Name Grape Creek Site Code S.USCOHP*8060 IDENTIFIERS Site ID 465 Site Class PCA Site Alias Grape Creek at Bear Gulch Network of Conservation Areas (NCA) NCA Site ID NCA Site Code NCA Site Name - No Data County Custer (CO) Fremont (CO) SITE DESCRIPTION Site Description Grape Creek is a long, perennial drainage that winds through rugged, granitic, lower montane hills west of the north end of the Wet Mountains. The steep canyon slopes above the stream are sparsely covered with rocky pinon - juniper woodland (Pinus edulis - Juniperus spp.) with mountain mahogany (Cercocarpus montanus) and Gambel oak (Quercus gambelii) groves. There are small prospect mines in the hills of the stream valley. This perennial stream is recovering from intensive land use in the past (grazing, railroad corridor). It previously washed out annually during high energy spring flooding once water flow resumed after being much reduced in winter by Deweese Reservoir upstream. This repeatedly stripped all vegetation out of the riparian corridor until recent years when the streambank vegetation has held. Intensive land use has been curbed and the riparian vegetation is recovering. Currently, the predominant vegetation within the corridor is the graminoid-dominated streambanks that have been gradually expanding. The entire reach is dotted with Rocky Mountain juniper (Juniperus scopulorum) and one seed juniper (Juniperus monosperma) individuals interspersed with groves of narrowleaf cottonwood (Populus angustifolia) and/or plains cottonwood (Populus deltoides). There are some groves of mature cottonwoods where the ground has significant woody debris as well as areas of regenerating cottonwoods that likely will replace the junipers as canopy dominants in the future. -
004 San Isabel Land Protection Trust
SUSTAINABLE SANGRES WATERSHED ALLIANCE .hl I: ·-- -- Applicant: San Isabel Land Protection Trust P.O. Box 124 Westcliffe, Colorado 81252 Project Manager: Linda Poole, Executive Director [email protected] 719.783.3018 Table of Contents Executive Summary ....................................................................................................................................... l Project Summary ....................................................................................................................................... l Background Data ........................................................................................................................................... 2 Project Location ............................................................................................................................................ 4 Technical Project Description ....................................................................................................................... 5 Evaluation Criteria ......................................................................................................................................... 8 Project Budget. ............................................................................................................................................ 25 Budget Proposal ...................................................................................................................................... 25 Budget Narrative .................................................................................................................................... -
Wet Mountains Aif A
!m:. ::^ 'i*i '^w^ Tnonum and Wet Mountains Aif a u.g, COVER PHOTOGRAPHS 1. Asbestos ore 8. Aluminum ore, bauxite, Georgia 1 2 3 4 2. Lead ore, Batmat mine, N. Y. 9. Native copper ore, Keweenawan 5 6 3. Chromite-chromium ore, Washington Peninsula, Mich. 4. Zinc ore, Friedensville, Pa. 10. Porphyry molybdenum ore, Colorado 7 8 5. Banded iron-formation. Palmer, 11. Zinc ore, Edwards, N.Y. Mich. 12. Manganese nodules, ocean floor 9 10 6. Ribbon asbestos ore, Quebec, Canada 13. Botryoidal f luorite ore, 11 12 13 14 7. Manganese ore, banded Poncha Springs, Colo. rhodochrosite 14. Tungsten ore. North Carolina Geology and Resources of Thorium and Associated Elements in the Wet Mountains Area, Fremont and Ouster Counties, Colorado By THEODORE J. ARMBRUSTMACHER GEOLOGY AND RESOURCES OF THORIUM IN THE UNITED STATES U.S. GEOLOGICAL SURVEY PROFESSIONAL PAPER 1049-F A description of the geologic setting, mineralogy, geochemistry, and size of thorium and rare-earth deposits, including calculations of reserves and potential economic resources UNITED STATES GOVERNMENT PRINTING OFFICE, WASHINGTON: 1988 DEPARTMENT OF THE INTERIOR DONALD PAUL HODEL, Secretary U.S. GEOLOGICAL SURVEY Dallas L. Peck, Director Library of Congress Cataloging-in-Publication Data Armbrustmacher, Theodore J., 1946- Geology and resources of thorium and associated elements in the Wet Mountains area, Fremont and Custer Counties, Colorado. (Geology and resources of thorium in the United States) (U.S. Geological Survey professional paper ; 1049-F) Bibliography: p. Supt. of Docs, no.: I 19.16:1049-F 1. Thorium ores—Colorado—Wet Mountains Region. 2. Earths, Rare—Colorado—Wet Mountains Region.