01079nam a2200337 a 4500 42443 BD-RjUL 20211209053536.0 160612s1949 nyuab 001 0 eng u (OCoLC)172616 (OCoLC)ocm00172616 (CStRLIN)NYCG85-B115423 (BD-RjUL)42561 (NNC)304735 ODaWU CoFS CStRLIN NNC BD-RjUL eng eng 333.72 CON 1949 HC106.3 .G885 1949 Conservation in the United States / A. F. Gustafson [...et. al.] 3rd ed. Ithaca, N. Y. : Comstock Pub. Co., 1949. ix, 534 p. : illus. ; 24 cm. Includes index Natural resources United States. 129827 Conservation of natural resources United States. 130551 Soil conservation United States. 130552 United States Economic conditions. 116912 Gustafson, A. F. 130553 ddc BK 42443 42443 0 0 ddc 0 0 NFIC RUCL RUCL Stack 1958-02-12 U.S.S. Dacca 0 333.72 CON 1949 2016-06-12 00:00:00 C-2 2016-06-12 BK