TY  - BOOK
AU  - Arms, Karen.
AU  - 
ED  - 
ED  - 
ED  - 
ED  - 
SN  - 003007178X (hardback)
SN  - 2
PY  - 1990///;copyright 199046
CY  - Philadelphia
PB  - Saunders College Pub.
KW  - 
KW  - 2
KW  - 0
KW  - 6
KW  - 20
KW  - Study and teaching (Secondary).;Environmental aspects;Study and teaching (Secondary).;Study and teaching (Secondary).;Study and teaching (Secondary).;Study and teaching (Secondary)
KW  - Ecology;Environmental education.;Pollution;Environmental protection;Natural resources;Land use
N1  - Map on front lining papers; Includes bibliographical references (p. 450-460) and index; 5
ER  -