TY  - BOOK
AU  - Montgomery,Carla W.
AU  - Dathe,David
TI  - Earth, then and now
SN  - 0697136221
AV  - QE28 .M687 1994
U1  - 550 20
PY  - 1994///
CY  - Dubuque, Iowa
PB  - W. C. Brown
KW  - Geology
KW  - Historical geology
N1  - Includes bibliographical references and index
ER  -