Drawings, Military construction: Army and Air Force.

At head of title: Engineering and design.

Timber access roads : hearing before Subcommittee No. 4 of the Committee on Agriculture, House of Representatives, Eighty-second Congress, first session, on H. J. Res. 60 [and others] March 15, 1951.

Mode of access: Internet.

Fatigue and stress and their roles in military operations, 24-26 January 1952 : ORO symposium.

"Project DOUGHBOY."