TY  - BOOK
AU  - Himus G N
AU  -  Sweeting G S
TI  - Elements of field geology
U1  - H:D3, L2;1-2   HD 
PY  - 1972///
CY  - London
PB  - Univ.Tutorial press        
KW  - Engineering Geology
N1  - Appendix (p
ER  -