TY  - BOOK
AU  - Nichols,Herbert L, x
AU  - x
TI  - Moving the earth: The workbook of excavation
SN  - x     
U1  - 624/NIM 
PY  - 1962///
CY  - New Delhi
PB  - Galgotia
KW  - Civil Engi
KW  - Excavation
ER  -