TY  - BOOK
AU  - burchfiel,clark
TI  - physical geology : : the stracture and .... / 
U1  - 551/phy 
PY  - 1982///
CY  - london
PB  - charles e. merrill publishing co. & a . bell & howell co.
KW  - geology
KW  - physical
ER  -