Field fortifications.

Bibliographic Details
Corporate Author:	United States. Army
Format:	Book
Language:	English
Published:	Washington, D.C. : Headquarters, Dept. of the Army, 1949.
Series:	Field manual ; no. 5-15
Subjects:	Fortification, Field. Fortification > United States. Siege warfare. Defensive (Military science) Offensive (Military science)

Cushing: Ragan Military (Does not check out)