Sand, Rock, and Gravel Plan: Lake Chelan National Recreation Area, Washington PDF
Preview Sand, Rock, and Gravel Plan: Lake Chelan National Recreation Area, Washington
Sand, Rock, and Gravel Plan LAKE CHELAN National Recreation Area • Washington PUBUCDOCUMENTS DEPOSITORYITEM ool AUG 3 1 1995 En. COM CLEMSON LIBRARY iIo APPROVED: May 17, 1995 Superintendent, William F. Paleck Qrt Printedon Recycled Paper Sand, Rock, and Gravel Plan June 1995 LAKE CHELAN National Recreation Area • Washington UnitedStates Departmentofthe Interior • National ParkService • DenverService Center Digitized by the Internet Archive in 2012 with funding from LYRASIS Members and Sloan Foundation http://archive.org/details/sandrockgravelplOOnati CONTENTS Introductionand Background Introduction 3 Purposeand Need 3 ManagementGoals, Objectives, and Actions 3 Background 5 HistoryofSand, Rock, and GravelUse 5 Summary ofPlanning, Regulations, and Policy 5 Resource Concerns and Goals 9 ResourceConcerns 9 ResourceGoals 9 ConservationMeasures 10 Amounts Used inthe Past 10 Limits onUse 10 ReductionofNeeds 11 Improvementand Maintenance 12 Company Creek GravelPitMining Plan Site Description 15 Mining Plan 20 Extractionand Reclamation 20 Equipmentand Work 20 Method 20 Process 24 Assumptions 27 Company Creek GravelPitRevegetation Plan RevegetationMethods and Control ofExotic Plant Species 31 Goals, Objectives, and Standards forCompletion 31 PlantMaterials 31 Equipment 33 — Implementation— Pit FaceTreatment 34 Implementation FullTreatment 36 Company Creek PitMonitoring Program Monitoring Program 39 Pre-Mining Monitoring 39 MonitoringDuringMining 40 Post-MiningMonitoring, Remedial Actions, and Maintenance 41 Mineral Appraisaland Cost Comparison Price Determinationand Cost Analysis 45 Price Determination 45 CostAnalysis ofExternalVersus InternalNFS Extraction 45 Permitting Process and Operating Standards Permitting Process 49 Special Use Permit 49 Standards forApplicationReview 49 PrototypeSpecialUse Permit 51 National ParkService Standard Stipulations 57 NPSOperating Procedures 57 EmergencyExtractionCriteria 57 Rainbow Creek GravelPitReclamation Plan Rainbow CreekGravel Pit 61 ManagementObjectives and Standards forCompletion 61 Site Description 61 Operationand Background 63 Recommended Management Actions 67 FormerExtraction Sites Abandoned Pits 73 Frog Island 73 Clark's Pit 73 BearIsland 75 Brownfield's Site 75 LowerGolfCourse Gravel Pit 76 BoulderCreek Pit 76 Lower Field Site 76 Rainbow Creek Pit 77 Nine Mile Pits 77 SchoolTalus Slope 78 BattalionCreek Pit 78 Mitigating the ImpactsofMaterial Importation Measures to Mitigate Impacts 81 Contents Preparers/Appendixes/References Preparers and Contributors 85 Appendixes A: CompanyCreek Pit MaterialSize Analysis 87 B: Mining PlanVolumeCalculationsand Cross-Sections 88 C: Calculations for Productivityand Hours Required for Dozer Use 99 D: Seed and FertilizerRate Calculations 101 E: Price Determinationand Cost Comparison 102 F: Cost Estimates for the CompanyCreekMining PlanAnd Rainbow Pit Reclamation Plan 107 G: Costand Disturbance ComparisonforGMPAlternatives 110 References 111 . ILLUSTRATIONS CompanyCreek Pit Location& Old Borrow Sites 7 ExistingConditions: CompanyCreekPit 19 10-YearMine Plan 21 20-YearMine Plan 22 Potential Long-TermImpacts 23 Rainbow PitTopographicMap 62 Rainbow Pit Proposed Topographic Reconstruction 64 Rainbow Pit Existing Conditions 65 Rainbow Pit Longitudinal Profile 66 TABLES 1 Recommended Plants forRevegetationand TheirUse and Adaptations 32 2. Estimated Costs ofOperatingCompanyCreek Pit fora 20-Year Period 46 3. CostComparisonofInternal Versus ExternalSources ofMaterial 46 4. Rainbow Pit: Timeline forImplementationofRehabilitation 68 5. Sand, Rock, and Gravel ExtractionSites inthe StehekinValley, 1948-1994 74 Introduction and Background
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