TY  - BOOK
AU  - Braun,Eric
AU  - Donovan,Sandra
TI  - Scientists of rivers, lakes, and ponds
SN  - 0739847554 :
AV  - QH97 .B73 2002
U1  - 578.763 21
PY  - 2002///
CY  - Austin
PB  - Steadwell Books
KW  - Rivers
KW  - Sears
KW  - Lakes
KW  - Ponds
KW  - Conservation of natural resources
N1  - Includes bibliographical references (p.   ) and index
N2  - Briefly describes rivers, lakes, and ponds, some of the life forms that depend on them, and what scientists are doing to help conserve them
ER  -