TY  - BOOK
AU  - CHURCH, HORACE K.
TI  - HANDBOOK EXCAVATION
T2  - 0
U1  - 627.132 
PY  - 1981///
CY  - NEW YORK
PB  - MCGRAW-HILL BOOK COMP.
KW  - CIENCIAS APLICADAS
N1  - ROCK-FORMATIONS/GEOMORPHOLOGY-EXCAVATION
ER  -