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