TY  - BOOK
AU  - Johnson,Rebecca L
AU  - Hanneman, Kritin (Design )
AU  - Shymansky, James (Consultant )
TI  - Uncovering Earth's History
T2  - On Assignment
SN  - 079228448
PY  - 2003///
CY  - Washington
PB  - National Geographic Society
KW  - Science (Nature )
N1  - Gift
ER  -