00757cam a2200253 a 4500 1584820 BD-DhUL 20150112083907.0 841116s1936 nyua b 001 0 eng d 1584820 NWU eng NWU ANL:NR BD-DhUL 631.45 19 AYS Ayres, Quincy Claude, 1891- Soil erosion and its control / by Quincey Claude Ayres. New York : McGraw-Hill, c1936. xi, 365 p. : ill. ; 24 cm. McGraw-Hill publications in agricultural engineering. Includes index. Bibliography: p. 341-352. Soil erosion. Soil conservation. ddc BK ANL 631.45 AYR 29599 29599 0 0 ddc 0 631_450000000000000_AYS 0 NFIC 56105 DUSL DUSL GEN 2015-01-12 631.45 AYS A4482 2015-01-12 2015-01-12 BK 0 0 ddc 0 631_450000000000000_AYS 0 NFIC 56133 DUSL DUSL GEN 2015-01-12 631.45 AYS 68601 2015-01-12 2015-01-12 BK