Subsurface drainage presented at the Thirtieth Annual Meeting, 1951.

Subsurface drainage presented at the Thirtieth Annual Meeting, 1951.

Manylion Llyfryddiaeth
Awduron Corfforaethol: National Research Council (U.S.). Highway Research Board, National Research Council. Highway Research Board. Committee on Subsurface Drainage
Fformat: Llyfr
Iaith:English
Cyhoeddwyd: Washington, D.C. Highway Research Board 1951.
Cyfres:Highway Research Board Bulletin 45.
Pynciau:
Road drainage.
Drainage > United States.
Airport drainage.