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Markle, Sandra.

Digging deeper / by Sandra Markle. - New York : Lothrop, Lee & Shepard Books, 1987. - p. cm.

Includes index.

Discusses various aspects of geology, such as plate tectonics, erosion, and mineral resources. Includes related experiments and activities.

0688059872 (pbk.) 0688059864 (lib. bdg.)

86027412 /AC


Geology--Juvenile literature.
Geology.

QE31 / .M266 1987

550