WSP02036

• File Number: 8220.128.J
• Description: Silt Project
• State: CO
• Basin: Colorado Mainstem
• Water Division: 5
• Date: 1/1/1951
• Author: USDOI - BOR
• Title: Silt Project-Colorado - A Supplement to the Colorado River Storage Project Report - Part 1 of 2
• Water Supply Pro - Doc Type: Report/Study

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CONTENT S

Recreation.... . . .. .. . .. ... .. . . .. .. ... .. . ... ... ..

Stream Pollution and Navigation... ......

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48

Chapter VII Financial Analysis.............. . .. .. ... .. . t-.. .. .. ... .. . .. .. .. e- I.. . 49
Annual Benefits and Costs.. . ..... ............... 49
Annual Benefits.............................." .-f.. ............. 49
Annual Equivalent Costs..................... II... ... 50
Benefit-Cost Ratio..................... I .. . . .. .. . .. .. .. .. . .. .. 51
Cost Allocations and Repayment. ... . ... . .. .... ... 51

Chapter vm Alternative Plans...............................,., 5.3
West Elk Canal-Timberline Canal Plan............ 53
Elk Falls Canal and Power Conduit Plan.......... 53
Enlargement of West Elk Creek Reservoir.......,. 53
Enlargement of Existing Dit ches from Elk Creek.. 54
Pumping from the Colorado River. ....... ....... .. 54
Canal from Main Elk Creek to Harvey Gap

Reservoir.. . .. .. .. . .. . .. .. .. . .. ... ... . .. .. .. .. .. .. .. .. .. . .. .. . . . 10 .. .. .. 54
Enlargement of Harvey Gap Reservoir..... ........ 54
Storage in East Rifle Creek..................... 54

FISH AND WILDLIFE SERVICE REPORT

Deseription of Basin and Project Area..........................

Gener-al... '" .................... .... ............ ..... ...................................
Physiography.. . .. .. .. ... . . . . .. .. .. . .. .. .. . .. .. . .. .. .. .. . .. .. . .. . . . . I . I I . . . . . . . " .
Stream Conditions... .. . . . . . I . I I I I . I . . I . . I I . I I I . . . I I I 1.1. . . ...
Pro j ect Areas. I . . I . , . .. . . . .. . . . . . , .. . . . . . .. . . . . .. . . . . . . I . . " . "' .
Engineering Development Plan..., .._.1...... I........... .... ...
Purpose. . . . . . . . . . . . I .. I . . . "' . , . . . . . . . I I . . . I . . . . I I . I I. . I . .. I ..
Plan of Improvesnent.. 'I 'I 'I I I . . . . . . . . . . . . I . . . . I . . . I . . I . I . . . . . . .
Plan of Operation...... "" . I . I . I I . . . . ., . . . I I . . . . . . "' . I . . . . I . . .
Pertinent Engineering Data......... I I . I . I . . I . I I . . . I I I . . I .. . .
Fishery Section......... . ., ... I......... . I I' ..".......... ... ......
Summary of Pre-Project and Post-Project Fishing Values......

v~ild1i.fe Section.....f... .".. .......... "' .... .... I I...........
Big Game..... . . . . . .. . . . . . . . . . , . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
~Vaterfowl....... ... I............ I.... " ., ...... I . ... . ........ . . .
Upland Game Birds....,.......... . . . . . . I " . . . . . . . . . " . . . . . . . . . . .
Fur AniaLB.ls........................ I . . .. . . . . . . . . . I . . . . . . . . . . . .

Summary of Pre-Project and Post-Project Values for Wildlife,
Means of Mitigating Losses and Increasing Benefits.............

Sunmary of Valu.es................. I I ... .. .... ..... .... '" ... .....
Views and Opinions of Cooperating Agencies.....................

Colorado Game and Fish Commission............................
U. S. Bureau of Reclamation, Region 4.......................
Conclusions and Reoomnendations.. I... ..... 1...1....... I..... ...

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