Cover image for Subsurface drainage : presented at the Thirtieth Annual Meeting, 1951.
Subsurface drainage : presented at the Thirtieth Annual Meeting, 1951.
Title:
Subsurface drainage : presented at the Thirtieth Annual Meeting, 1951.
Author:
National Research Council (U.S.). Highway Research Board.
Publication Information:
Washington, D.C. : Highway Research Board, [1951]
Physical Description:
ii, 20 p. : map ; 25 cm.
Series:
Its Bulletin ; no. 45.

Bulletin (National Research Council (U.S.). Highway Research Board) ; 45.
Contents:
Present practice in subsurface drainage for highways and airports : a report / of the Committee on Subsurface Drainage.
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