Natural resource conservation :
Owen, Oliver S
Natural resource conservation : an ecological approach / Oliver S. Owen. - 3rd ed. - New York : Macmillan, c1980. - xi, 883 p. : ill. ; 26 cm.
Includes bibliographical references and index.
0023900202 (Hb.)
Conservation of natural resources.
Ecology.
Environmental protection.
Conservation of natural resources--United States.
Environmental protection--United States.
S938 / O93 1980
Natural resource conservation : an ecological approach / Oliver S. Owen. - 3rd ed. - New York : Macmillan, c1980. - xi, 883 p. : ill. ; 26 cm.
Includes bibliographical references and index.
0023900202 (Hb.)
Conservation of natural resources.
Ecology.
Environmental protection.
Conservation of natural resources--United States.
Environmental protection--United States.
S938 / O93 1980