Coyle, David Cushman Conservation an American story of conflict and accomplishment. - New Brunswick, N.J. Rutgers University Press 1957. - 284 p. illus. 22 cm. LCCN: 57010962 /L Subjects--Topical Terms: Natural resources--United States. LC Class. No.: HC103.7 / .C68 Dewey Class. No.: 333.72