TY  - BOOK
AU  - Montgomery,Carla W.
AU  - Dathe,David
TI  - Earth, then and now
SN  - 0697282813
PY  - 1997///
CY  - Boston
PB  - McGraw Hill
KW  - Geology
KW  - Historical geology
N1  - Includes bibliographical references and index
ER  -