000
00293 a2200121 4500
080
_a
631.459:631.61
_b
A 672 S
245
1
_a
Soil conservation
_c
by S.G. Archer
260
_a
Norman
_c
1956
650
_a
Soil Conservation
100
1
_a
Archer, S.G.
_d
300
_a
305 p. & 8 pls.
901
_a
51128
999
_c
44302
_d
44302