TY  - GEN
AU  - Atwater,Mary
ED  - Macmillan/McGraw-Hill School Publishing Company.
TI  - Earth changes through time
T2  - Science turns minds on
U1  - 551.07 
PY  - 1993///
CY  - New York
PB  - Macmillan/McGraw-Hill School Pub.
KW  - Geology
KW  - Earth sciences
KW  - Science
ER  -