The US Army Signal School apprenticeship program for the trade of line installer-repairer.
Series: Department of the Army pamphlet -- 621-98.; DA pam -- 621-98.
Publisher: Headquarters, Dept. of the Army
Published: 1981
Place of publication: Washington, DC
Language: eng
Subjects: U.S. Army Signal School -- Curricula.; Telephone lines -- Maintenance and repair.
Notes: "This pamphlet supersedes DA Pam 621-98, 15 May 1979."

"15 July 1981."