TY  - BOOK
T1  - Subsurface drainage presented at the Thirtieth Annual Meeting, 1951.
T2  - Highway Research Board
LA  - English
PP  - Washington, D.C.
PB  - Highway Research Board
YR  - 1951
UL  - https://tuklas.up.edu.ph/Record/UP-99796217610441549
OP  - 20
KW  - Road drainage.
KW  - Drainage : United States.
KW  - Airport drainage.
ER  -