Snowmass Ski Trail Enhancements and High Alpine Lift Replacement Environmental Assessment
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SNOWMASS SKI AREA SNOWMASS SKI TRAIL ENHANCEMENTS AND HIGH ALPINE LIFT REPLACEMENT ENVIRONMENTAL ASSESSMENT DECEMBER 2014 USDA Forest Service White River National Forest Aspen-Sopris Ranger District The U.S. Department of Agriculture (USDA) prohibits discrimination in all its programs and activities on the basis of race, color, national origin, age, disability, and where applicable, sex, marital status, familial status, parental status, religion, sexual orientation, genetic information, political beliefs, reprisal, or because all or part of an individual's income is derived from any public assistance program. (Not all prohibited bases apply to all programs.) Persons with disabilities who require alternative means for communication of program information (Braille, large print, audiotape, etc.) should contact USDA's TARGET Center at (202) 720-2600 (voice and TDD). 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SNOWMASS SKI AREA SNOWMASS SKI TRAIL ENHANCEMENTS AND HIGH ALPINE LIFT REPLACEMENT ENVIRONMENTAL ASSESSMENT PITKIN COUNTY, COLORADO Proposed Action: Responsible Official: Further Information: Snowmass Ski Area Scott Fitzwilliams Scott Kaden, Project Leader Forest Supervisor Aspen-Sopris Ranger District White River National Forest 620 Main Street Location: Glenwood Springs, CO Carbondale, CO 81623 White River National Forest [email protected] Pitkin County, Colorado (970) 963-2266 x3127 Lead Agency: USDA Forest Service Aspen-Sopris Ranger District White River National Forest Pitkin County, Colorado Abstract: This Environmental Assessment (EA) has been prepared to analyze a proposal for Snowmass Ski Area (Snowmass) to replace and realign the High Alpine lift, install snowmaking on Green Cabin and Trestle trails, perform six glading projects across 84 acres of terrain, and develop two new ski trails designed to improve skier circulation across the ski area. The proposed projects are within the existing Snowmass special use permit (SUP) area and are identified in the Snowmass Mountain Master Plan 2014 Addendum. Snowmass is located on the White River National Forest in Pitkin County, Colorado and operates in accordance with the terms and conditions of a SUP issued by the US Forest Service. This EA discusses the Purpose and Need for the proposal; the process used to identify and develop alternatives; potential direct, indirect, and cumulative impacts of implementing the No Action Alternative (Alternative 1) and Alternative 2; and proposed project design criteria to minimize resource impacts. Following review of public and agency comments on this EA, the Forest Supervisor will make a final determination as to which alternative best serves the public interest on National Forest System lands. The Selected Alternative can be a modification of alternatives presented. Important Notice: Only those who submit timely and specific written comments will have eligibility to file an objection under 36 CFR §218.8. For objection eligibility, each individual or representative from each entity submitting timely and specific written comments must either sign the comment or verify identity upon request. Individuals and organizations wishing to be eligible to object must meet the information requirements in 36 CFR §218.25(a)(3). Comments received, including the names and addresses of those who comment, will become part of the public record for this project and will be subject to review pursuant to the Freedom of Information Act. Comment Period: Specific written comments on the proposed project will be accepted for 30 calendar days following publication of the Legal Notice in the Glenwood Springs Post Independent. The publication date in the newspaper of record is the exclusive means for calculating the comment period. The regulations prohibit extending the length of the comment period. Written comments must be submitted via mail, fax, electronically, or in person (Monday through Friday, 8:00 a.m. to 4:30 p.m., excluding holidays) to: Scott Fitzwilliams, c/o Scott Kaden, Project Leader, 620 Main Street, Carbondale, CO 81623, FAX: (970) 963-1012. Electronic comments including attachments can be submitted to https://cara.ecosystem-management.org/Public/CommentInput?Project=44643. Table of Contents Table of Contents TABLE OF CONTENTS 1. PURPOSE AND NEED .................................................................................................................. 1-1 A. INTRODUCTION.............................................................................................................................. 1-1 B. BACKGROUND ............................................................................................................................... 1-2 C. PURPOSE AND NEED OF THE PROPOSED ACTION .......................................................................... 1-2 D. SCOPE OF ANALYSIS ..................................................................................................................... 1-3 E. INTERAGENCY COORDINATION ..................................................................................................... 1-4 F. PUBLIC INVOLVEMENT AND IDENTIFICATION OF ISSUES .............................................................. 1-4 The Human Environment................................................................................................................... 1-5 The Biological Environment .............................................................................................................. 1-5 G. ISSUES/RESOURCES ELIMINATED FROM FURTHER ANALYSIS ..................................................... 1-8 H. CONSISTENCY WITH FOREST SERVICE POLICY ............................................................................. 1-8 Land and Resource Management Plan Consistency ......................................................................... 1-8 Forest Service Management Direction .............................................................................................. 1-9 I. RELATIONSHIP TO PREVIOUS ANALYSES AND APPROVALS .......................................................... 1-9 J. DECISION TO BE MADE ................................................................................................................. 1-9 K. OTHER NECESSARY PERMITS, LICENSES, ENTITLEMENTS AND/OR CONSULTATION ................ 1-10 2. DESCRIPTION OF ALTERNATIVES ........................................................................................ 2-1 A. INTRODUCTION.............................................................................................................................. 2-1 B. ALTERNATIVES CONSIDERED IN DETAIL ...................................................................................... 2-1 Alternative 1 – No Action .................................................................................................................. 2-1 Alternative 2 – The Proposed Action ................................................................................................ 2-1 Alternatives and Design Components Considered but Eliminated from Detailed Analysis .............. 2-5 Alternative Comparison Matrix ......................................................................................................... 2-7 C. SUMMARY COMPARISON OF ENVIRONMENTAL CONSEQUENCES BY ALTERNATIVE ................... 2-8 D. PROJECT DESIGN CRITERIA ......................................................................................................... 2-16 3. AFFECTED ENVIRONMENT AND ENVIRONMENTAL CONSEQUENCES ..................... 3-1 A. RECREATION ................................................................................................................................. 3-4 Scope of Analysis ............................................................................................................................... 3-4 Affected Environment ........................................................................................................................ 3-4 Direct and Indirect Environmental Consequences ............................................................................ 3-6 Cumulative Effects ............................................................................................................................. 3-8 Irreversible and Irretrievable commitment of Resources ................................................................ 3-10 B. SCENERY ..................................................................................................................................... 3-11 Scope of Analysis ............................................................................................................................. 3-11 Management of the Scenic Environment on National Forest System Lands ................................... 3-11 Affected Environment ...................................................................................................................... 3-14 Direct and Indirect Environmental Consequences .......................................................................... 3-15 Cumulative Effects ........................................................................................................................... 3-16 Irreversible and Irretrievable commitment of Resources ................................................................ 3-18 C. VEGETATION