TY  - BOOK
AU  - Katz Cooper,Sharon
TI  - The Great Lakes
SN  - 0761408983
AV  - JUV QH 105.5 .G7 K38 1999
PY  - 1999///
CY  - New York
PB  - Benchmark Books
KW  - Ecology
KW  - Great Lakes (North America)
KW  - Juvenile literature
KW  - Freshwater ecology
N1  - Includes bibliographical references and index
N2  - Describes the formation of the Great Lakes, the varied lifeforms that are part of this ecosystem, the interactions among the plants and animals that live there, and threats to this environment
ER  -