Chemical group (field army or communications zone) and chemical battalion.

Bibliographic Details
Corporate Author:	United States. Department of the Army
Format:	Book
Language:	English
Published:	Washington, D.C. : Dept. of the Army, 1954.
Series:	FM ; 3-80
Subjects:	United States. > Army > Handbooks, manuals, etc.

Cushing: Ragan Military (Does not check out)