Owen, Oliver S. 1920-
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
73020875
Conservation of natural resources.
Ecology.
Environmental protection.
333.720973 / OWN
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
73020875
Conservation of natural resources.
Ecology.
Environmental protection.
333.720973 / OWN