TY  - BOOK
AU  - Orr,Catherine Elizabeth
AU  - DeVault,M.Vere
TI  - Geology
AV  - PZ10.O7 Ge
PY  - 1959///]
CY  - Austin, Tex.
PB  - Steck Co.
KW  - Geology
KW  - Juvenile literature
UR  - http://www.archive.org/details/geologyorrc00orrc
UR  - http://www.openlibrary.org/books/OL6269044M
ER  -