TY - BOOK AU - Allen,Shirley Walter AU - Leonard,Justin Wilkinson TI - Conserving natural resources: principles and practice in a democracy AV - HC103.7 .A7 1966 U1 - 333.72 PY - 1966/// CY - New York PB - McGraw-Hill Book Company Incorporation KW - Conservation of natural resources KW - United States N1 - Includes bibliographical references ER -