01034cam a22002891 4500 sa 63001679 DLC 20260227111929.0 810629s1960 pk ab b f100 0 eng sa 63001679 PL480:P-E-18x (OCoLC)7539529 DLC MnSU MnSU DLC premarc S622 .S9 1957 Symposium on Soil Erosion and its Control in the Arid and Semi-arid Zones (1957 : Karachi) Soil erosion and its control in arid and semi-arid zones; proceedings of the Karachi symposium. Karachi, Food and Agriculture Council, Pakistan, 1960. xxi, 400 p. illus., maps, diagrs., tables. 24 cm. "Held ... under the joint auspices of F.A.C.P. and UNESCO." Includes bibliographies. Soil conservation Congresses. Arid regions Congresses. Erosion. Food and Agriculture Council (Pakistan) Unesco. 54076 54076