7850

• UCREFRP Catalog Number: 7850
• Author: Hydrosphere Resource Consultants.
• Title: Yampa River Basin Recommended Alternatives, Detailed Feasibility Study
• USFW Year: 1994.
• USFW - Doc Type: Draft.
• Copyright Material: NO

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LIST OF FIGURES
Figure S-1 Maybell Flow Conditions
Figure S-2 Site Map of Dam and Spillway
Figure 1-1 Upper Yampa River Basin
Figure 2-1 End-of-Month Reservoir Contents (Current Potential Demands)
Figure 2-2 End-of-Month Reservoir Contents (2040 Without Project) .
Figure 2-3 End-of-Month Reservoir Contents (2040 With Project)
Figure 2-4 Modeled Average Monthly Elkhead Creek Flows Below Elkhead Reservoir
Figure 3-1 Upper Yampa River Basin
Figure 3-2 Property Ownership
Figure 3-3 Area - Capacity Curve
Figure 3-4 Seasonal Pattern of Monthly Inflows
Figure 3-5 Elkhead Reservoir Drainage Area
Figure 4-1 Site Map of Dam and Spillway
Figure 4-2 Embankment Cross-Section
Figure 4-3 Primary Outlet Plan and Profile
Figure 4-4 Spillway Plan
Figure 4-5 Spillway Profile
Figure 4-6 Inflow and Outflow Hydrographs of PMF Event
Figure 4-7 Stilling Basin
Figure 4-8 Emergency Spillway Section
Figure 4-9 Flow-Duration Curve
Figure 5-1 The NEPA Process
Figure 5-2 Reservoir Impact Map
Figure 5-3 Detailed Near-Term Project Development Schedule
Figure 6-1 Upper Yampa River Basin
Figure 6-2 Elkhead Reservoir Vicinity Map
Figure 6-3 USGS Stream Gages in the Elkhead Creek Basin
Figure 6-4 Modeled Average Inflow to Elkhead Reservoir
Figure 6-5 Current Conditions - Elkhead Reservoir Contents
Figure 6-6 2040 Demand Conditions Without Project - Elkhead Reservoir Contents
Figure 6-7 2040 Demand Conditions With Project - Elkhead Reservoir Contents
Figure 6-8 Modeled Average Monthly Elkhead Creek Flows Below Elkhead Reservoir
Figure 6-9 Modeled Average Monthly Yampa River Flows Above Elkhead Creek
Figure 6-10 Modeled Average Monthly Yampa River Flows Below Elkhead Creek
Figure 6-11 Typical Elkhead Reservoir Views
Figure 6-12 Vegetation Surrounding Elkhead Reservoir
Figure 6-13 Reservoir Impact Map
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