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WSP06750
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Last modified
1/26/2010 2:24:13 PM
Creation date
10/12/2006 1:50:59 AM
Metadata
Fields
Template:
Water Supply Protection
File Number
8200.765
Description
White River General
State
CO
Basin
Yampa/White
Water Division
6
Date
9/1/1996
Author
USFS
Title
Aspen Highlands Ski Area - Draft Environmental Impact Statement
Water Supply Pro - Doc Type
Report/Study
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<br />\]G193? <br /> <br />... . ..... . .. . <br />"',',.."'""""",,....,.., ""'TA' "B"'L"'E" "'0" F'C'''O'N'''T'' "E''''N' T" $" "",.,,',,' <br />". ........ . ...... "".. , ...... <br />. ::...:.::.::.:.,.....:=,.\..::.:.:..: .' :, . .' . <br />.....:.::....:.:... .: ".':. . '. <br />. .. ... .. <br /> <br />Page <br /> <br />CHAPTER 3 - AFFECfED ENVIRONMENT . .. .. .. . .. . .. . .. .. .. .. .. . . .. . .. . .. .. . . . .. . .. .. 3-1 <br /> <br />Inll'oduction . . . , . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 3-1 <br />Geology and Soils . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . , . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 3-1 <br />Geologic Setting................................ .............................. 3-1 <br />Geologic Hazards .. . . . . . . . . . . . . . . . . . . , . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 3-3 <br />Unstable and Potentially Unstable Slopes ................................... 3-3 <br />Slides Near the Moment of Truth Catwalk. . . . .. . . . . . . . . . . . . . . . . . . .. .. 3-5 <br />Golden Barrel Slides .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 3-6 <br /> <br />Debris Flows . . . . . . . . . . . . . . . . . . . . . . . . . , . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 3-6 <br />Rockfalls...................,........,.. .......,...................... 3-7 <br />Gravitational Spreading ........................,........................ 3-7 <br /> <br />Loge Peak Area ... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 3-7 <br />Olympic Bowl Area . . . . . . . . . . . . . . . . . . . . . . . , . . . . . . . . . . . . . . . . . . . . .. 3-7 <br /> <br />Soil and Talus Creep. . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . .. 3-7 <br />Other Hazards......'..................... .............................. 3-7 <br />Soils ....................................................................... 3-8 <br />Watershed Resources ......,....................................................... 3-13 <br />Background. . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . .. ., . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 3-13 <br />Climate .......................................,..................... 3-13 <br />Runoff and Sedimentation .............................................. 3-13 <br />Hydrologic Background ....................................................... 3-15 <br />Maroon Creek Watershed. . . . . . . . . . . . . . . . . . . . . . . ., , . . . . . . . . . . . . . . . . . . . .. 3-15 <br />Castle Creek Watershed ..................,............................. 3-16 <br />Watershed Impacts of Current Developments...................................... 3-16 <br /> <br />Water Yield. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 3-16 <br />Overland Flow and Erosion ...............,............................. 3-18 <br />Maroon Creek Watershed. . . . . . .. . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . .. 3-18 <br />Castle Creek Watershed ......................................... 3-18 <br /> <br />Channel Integrity. . . . . . . . . . . .. . . . . . . . . . ., . . . . . . . . .. . . . . . . . . . . . . . . . . . . .. 3-19 <br />Maroon Creek Walershed ........................................ 3-19 <br />Castle Creek Watershed ......................................... 3-19 <br /> <br />Water Quality ........................................................ 3-19 <br />Water Rights and Diversions. . . . . . . . . . . ., . , . .. . . . . . . . . . .. .. . . . . . . . . . . . . . . . . . . .. 3-19 <br /> <br />Water Rights. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 3-20 <br />Maroon Creek Pipeline. . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . .. 3-21 <br />Options for Water Service to Aspen Highlands. . .. . . . . .. . . . . . . . . . . . . . . . . . . .. 3-22 <br /> <br />Vegetation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 3-22 <br />Analysis Area ............................................................... 3-22 <br />General Vegetation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 3-24 <br />Species of Special Concern. . . . . .. . .. . . . . . . . . .,. . . .. .. . . . . . . . . . . . . . . . . . . .. 3-25 <br /> <br />Regional Area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 3-25 <br />Wetland Resources ..............,................................................. 3-28 <br />Jurisdictional Wetlands ....................................................... 3-29 <br />SlI'eams .. . . . . . . . . . . . . . . . , . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 3-29 <br />Channels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 3-29 <br />Riparian Zones ....................;............. . . . . . . . . . . . . . . . . . . . . . . . . . . .. 3-30 <br />Wildlife ...... , . . . , . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 3-30 <br />General Wildlife . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 3-30 <br />Management Indicator Species ........................................... 3-31 <br /> <br />Table ofConlenJ.s <br /> <br />3-i <br />
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