TY - BOOK AU - Allen,Shirley Walter AU - Leonard,Justin Wilkinson TI - Conserving natural resources: principles and practice in a democracy AV - HC103.7 .A454 1959 PY - 1959/// CY - New York PB - McGraw-Hill KW - Conservation of natural resources KW - United States KW - Natural resources N1 - Includes bibliographical references ER -