TY  - BOOK
AU  - DONALD FORRESTER, JAMES
TI  - PRINCIPLES OF GEOLOGY MINING AND FIELD
T2  - 0
U1  - 550 
PY  - 1946///
CY  - NEW YORK-U.S.A.
PB  - JOHN WILEY & SONS
KW  - CIENCIAS PURAS
N1  - FIELD-SURVEY-TECHNIQUES
ER  -