Winckler, Suzanne, 1946-

Our endangered planet. Soil / Suzanne Winckler and Mary M. Rodgers. - Minneapolis : Lerner Publications, c1994. - 72 p. : col. ill. ; 21 x 23 cm.

Includes index.

Discusses the formation and the role of different types of soils and how they have been endangered through unwise farming, mining, and grazing.

ISBN: 0822525089 (lib. bdg.)

LCCN: 92039902

Subjects--Topical Terms:
Soils.
Soil degradation.
Soil conservation.
Agriculture.

LC Class. No.: S591.3 / .W56 1994

Dewey Class. No.: 631.4