IR
78-20385
انگلیسی
IR
The land renewed ; the story of soil conservation
[Book]
/ by William R. Van Dersal, Edward H. Graham
New York
: Oxford University Press
, 1946.
109, [1] p.
: ill.
; 23 cm
Language: انگلیسی
Print
Soil conservation -U.S.
Erosion
Soil erosion-U.S.
S623
.
V21
Van Dersal, William Richard, 1907-
Graham, Edward Harrison
ایران
old catalog
p
BL
1
a
Y
