7420

• UCREFRP Catalog Number: 7420
• Author: U.S. Bureau of Reclamation.
• Title: Colorado River Basin Salinity Control Project, Stage One Development, Grand Valley Unit Definite Plan Report.
• USFW Year: 1978.
• USFW - Doc Type: \
• Copyright Material: NO

• TABLES (Continued)
Hvdrosalinity (Continued)
Number Page.
18 Observed shallow water table conditions 49
19 Ground water recharge--Reed Wash study area 55
20 Capacity of artesian zone per unit width. . 57
21 Total dissolved solids, Grand Valley drains and
washes . 60
22 Average annual salt outflow by drains per acre. 63
Land Resource
Area under irrigation scheduling. 14
Reed Wash study area productive acreage 17
Typical soil profile, Reed Wash area, class 1 . 22
Analysis of soils, Reed Wash area, class 1. 23
Typical soil profile, Reed Wash area, class 2, irrigated. .~ 24
Analysis of soils, Reed Wash area, class 2, irrigated 25
Typical soil profile, Reed Wash area, class 2, nonirrigated 26
Analysis of soils, Reed Wash area, class 2, nonirrigated. 27
Typical soil prof ile, Reed Wash area, class 6 , 28
Analysis of soils, Reed Wash area, class 6. 29
class
Wash area
Reed
Typical soil
profile irrigated
2,
•
:
•
•
:
(Ravola). •
.
30
Analysis of soils, Reed Wash area, class 2, irrigated (Ravola). 31
Typical soil profile, Reed Wash area, class 2 (Fruit a). 32
Profile description and supplementary soil analyses for
Billings series 33
Profile description and supplementary soil analyses for
Mesa series .. , 34
Profile description and supplementary soil analyses for
Ravola series 35
Salinity levels 36
Land types. . 36
Low productivity summary. 40
Economics
Number Page
1 Project costs 2
2 Stage One interest during construction. . 5
3 Summary of interest during construction 6
4 Operation, maintenance, and replacement costs 6
5 Stage One alternatives. 7
6 Cost-effectiveness comparisons. 8
7 Cost allocation and repayment summary 11
8 Repayment of reimbursable costs 13

v