TY  - BOOK
AU  - Watkins J S
AU  -  Bottino M L
AU  -  Morisawa M
TI  - Our geological environment
T2  - Saunders Golden Series in Environmental Studies
U1  - H:(G:55), L5 
PY  - 1975///
CY  - Philadelphia
PB  - W B Saunders       
KW  -  Environmental protection
KW  - Geology
N1  - Bibliography 501-508p
ER  -