WSP11175

• File Number: 8210.470
• Description: Pacific Southwest Interagency Committee
• State: CO
• Basin: Colorado Mainstem
• Water Division: 5
• Date: 7/1/1972
• Author: Unknown
• Title: Thirteenth Annual Report - July 1 1972 through June 30 1973
• Water Supply Pro - Doc Type: Report/Study

primary and two secondary demonstrational areas have been selected, one
of which is within the PSIAC area.

All agencies were poled to determine their needs for research and
services the subcommittee could provide to be more responsive. Many
significant proposals were received in response to the subcommittee's
request. It is hoped that these enthusiastic requests and proposals
from agencies will stimulate necessary interest in subcommittee func-
tions in order that the committee can be more productive.

Chair responsibil ities were transferred for calendar year 1973 to
Mr. Philip C. Briggs, Arizona Water Commission, State of Arizona,
Chairman; and Mr. Floyd Farrell, Bureau of Indian Affairs, Phoenix,
Secretary.

73-1 Meeting - Albuquerque, New Mexico - March 7, 1973

Mr. Jack Koogler, New Mexico State Engineer's Office, representing the
State of New Mexico, was approved by members of the subcommittee as
Alternate Chairman for the calendar year 1973.

Members of the subcommittee toured the Bernardo Prototype Study Area.
This area is some 65,000 acres in extent and was instrumented in 1961
to determine water. use by phreatophytes for the ensuing three years.
No attempt has been made to evaluate water use on the project area that
has been maintained in a clear status since the Initial estimates were
made. It was recommended by the Vegetation Management Technical Sub-
committee that, since these water measuring facilities have been main-
tained, an assessment should be made to determine if consumptive use Is
the same today as it was originally.

Mr. Arthur Potter, Corps of Engineers, reported their project in Arizona
at a standstill where there still remains a court injunction preventing
the Corps from going forward with the Upper Gila River Clearing Project.

The Bureau of Reclamation is maintaining 50,000 acres on the Pecos River
Project in a cleared condition and reported another 20,000 acres of
phreatophytes to be cleared on the Rio Grande at a standstill until a
revised impact statement has been reviewed and approved.

The Bureau of Indian Affairs reported very little work planned toward
vegetation management for this fiscal year.

The USGS terminated field
the Gila River Project on
completing their report.
lished by 1974.

observations and consumptive use studies on
June 30, 1972, and is in the process of
It is planned that all reports will be pub-

The Soil Conservation Service is cooperating with several State and
Federal Agencies to develop and publ ish a vegetation map for the State
of Nevada. The committee also was informed by SCS that a program for
the collection of desert plants for the stabilization of critical

18