WSP08456

• File Number: 8220.128.E
• Description: Silt Project
• State: CO
• Basin: Colorado Mainstem
• Water Division: 5
• Date: 12/1/1961
• Author: USDOI - BOR
• Title: Definite Plan Report - Silt Project-Colorado
• Water Supply Pro - Doc Type: Definite Plan Report

C"J
li.l
'l::l"

CONTENTS (Continued)

Reports of Cooperating Agencies (Continued)

Bureau of Mines (Continued)

Location and physical features . . . . . .
Description of project. .,.
Geology .. ..
Tertiary ... . . . .. .
Cretaceous " . " . " .
Jurassic . .. . .....".."
Triassic .." . . " . . . . . . . " .
Carboniferous ." ".""....."......."
Mineral resources . . . . . . .. ..
Metallic minerals . . . . .
Lead, zinc, copper, gold, 8lld silver ..
Uranium and vanadium ... . ....
Nonmetallic minerals . .... ... .
Coal " ". . ...". ... ""..."".
Oil shale .. .... ....
Oil and gas . . . " ... . . . . . " " .
Clay" " . .
Conclusions

.

.

.

. .

.

. .

. .

.

.

.

. .

. .

.

.

. .

. .

. .

. . .

.

.

.

.

.

.

.

.

. .

.

.

.

.

. . . "

.

. .

.

.

. .

.

.

.

.

.

.

.

. . .

. .

.

. .

.

.

.

. .

.

. .

.

.

.

.

.

. . .

.

.

. . . "

.

. .

.

. .

.

.

.

.

.

.

. .

. .

.

. .

.

. .

Corps of Engineers

.

Page
"""'I4""
14
14
19
19
19
19
19
20
20
20
20
20
20
26
26
26
27

.

.

.

. .

.

.

.

.

.

.

.

.

.

.

Letter of June 21, 1961, to Regional Director, Region 4, Bureau of
Reclamation, from District Engineer, U. S. Army Engineer District,
Los Angeles, Corps of Engineers '" .. .. 28
Letter of March 12, 1957, to Regional Director, Region 4, Bureau
of Reclamation, from District Engineer, U. S. Army Engineer
District, Los An~les, Corps of Engineers . ....... . 29

Public Health Service

Introduction . . . . ." ".".."
Description of project . . .. . .
Population . . . . . . . . " . . . . .
Water supply problems ..... . . .
Streamflows . .. ."""""""
Stream depletion .. .....
Water use." "" . " " "
Water quality. . .. .... .
Sewage disposal and stream pollution .
Rural sanitation. . . . . . . .. .
Local health services .... ...
Recreational development . . . . . . .
Construction phase of project ...

.

.

" . . .

. . " " "

.

.

. .

" " . "

" . " "

.

.

" " " " " . " " " " "

.

.

. . .

" " " .

.

" " . .

" . " . " "

.

.

. .

. " " "

. .

.

. " . . " " " " " " "

.

" . " " " " " " " .

.

.

. .

" " " . . "

.

.

" " " " " " " " .

. .

. . .

" " " "

.

. .

. . " " "

.

.

" . " . "

. . .

iv

32
32
33
34
34
35
35
36
37
39
40
40
40