TY  - BOOK
AU  - Nichols,Herbert L.
TI  - Modern Techniques Of Excavation
U1  - 624.152 23
PY  - 1956///
CY  - London
PB  - Odhams Press Limited
KW  - Excavating machinery
N1  -  "Shortened and revised version of Moving the earth."; Includes bibliographical references and indexs
ER  -