Impact testing of lighting poles and sign supports 1967-68 /

Bibliographic Details
Main Author:	Smith, P.
Format:	Book
Language:	English
Published:	[Toronto] : Dept. of Highways, Ontario, 1970.
Series:	D.H.O. report ; no. 158.
Subjects:	Roads > Lighting > Break-away supports.

Description
Physical Description:	26 pages : illustrations ; 28 cm.