Callenbach, Ernest Bring back the buffalo! : a sustainable future for America's Great Plains / Ernest Callenbach - Washington, D. C. : Island Press, 1996 - 280 p. : ill., maps ; 24 cm. Includes bibliographical references (p. 263-271) and index ISBN: 1559634405 (hbk.) Hadiah Subjects--Topical Terms: American bison--Great Plains