TY  - BOOK
ED  - E.U.A. Bureau of Reclamation
TI  - Earth manual ; a guide to the use of soils as foundations and as construction materials for hydraulic structures
U1  - 620.142 
PY  - 1974///
CY  - Washington
PB  - Bureau of Reclamation
KW  - Construcción de tierra
KW  - Tierra
ER  -