EQUIPMENT - Incorrectly calibrated Soiltest, Inc., tapes.
UNITED STATES DEPARTMENT OF THE INTERIOR
GEOLOGICAL SURVEY
WATER RESOURCES DIVISION
WASHINGTON, D.C. 20242
February 12, 1968
4037 0001
GROUND WATER BRANCH TECHNICAL MEMORANDUM NO. 68.4
To: Regional Hydrologists and District Chiefs, WRD
From: Chief, Ground Water Branch, WRD
Subject: EQUIPMENT - Incorrectly calibrated Soiltest, Inc.,
tapes.
The attached memorandum from Mr. L. B. Laird, District Chief, WRD,
Tacoma, Wash., to the Chief Hydrologist is self-explanatory.
Please see that all tapes in your district manufactured by
Soiltest, Inc., are checked for correctness of calibration.
(s) C. L. McGuinness
Enclosure
WRD DISTRIBUTION: A, B, S, FO, PO