The
earth's face and human destiny
Pfeiffer, Ehrenfried
1899-
creator
text
xx
Emmaus, Pa
Rodale Press
1947
monographic
eng
183 p. illus. 23 cm.
Bibliography: p. 168-174.
Soil conservation
S623 .P43
551.4 PFE
48015346
DLC
750828
20141107092541.0
8821271