=LDR 00000nam a2200000ui 4500 =001 1900 =008 250530s1970\\\\xx\|||||||||||||||||eng\d =082 04$a910.07 BAC =100 1\$aBacon, Phillip =245 10$aFocus on geography: key concepts and teaching strategies =260 \\$aWashington D. C. :$bNational Council for Social Studies,$c1970 =852 \\$bFreeman Library$cBooks$h910.07 BAC