Soil survey report
TRIPATHI, B
Soil survey report - 1972 - 40p
SOIL CONSERVATION - U.P
SOIL - SURVEY - UTTAR PRADESH SOIL CONSERVATION - U.P
641.470 954 2 U-8S
Soil survey report - 1972 - 40p
SOIL CONSERVATION - U.P
SOIL - SURVEY - UTTAR PRADESH SOIL CONSERVATION - U.P
641.470 954 2 U-8S