Dyer, Irwin Allen, 1921- The feedlot/ Edited by Irwin A. Dyer and C. C. O'Mary. - Philadelphia : Lea & Febiger, 1972. - ix, 224 p.: ill. ; 27 cm. Includes bibliographical references Subjects--Topical Terms: Feedlots. Cattle -- Feeding and feeds. Dewey Class. No.: 636.084