Road tunnels more than 500 feet long.

Bibliographic Details
Main Author:	Reid, Ann S. H.
Corporate Author:	Road Research Laboratory
Format:	Book
Language:	English
Published:	London : H.M.S.O., 1965.
Series:	Road research technical paper ; no. 78.
Subjects:	Tunnels > Ventilation.

Description
Item Description:	At head of title: Road Research Laboratory.
Physical Description:	iv, 68 pages ; 25 cm.
Bibliography:	Includes bibliography.