00361nam a2200133Ia 4500001000700000003000500007005001700012008004100029020001500070050002100085100003100106245004100137260004900178222487BIBL20160527200900.0990830|1995||||||||||||||||||||| ||||||d  a079222733600aE39.5b.C43 19950 aChadwick, Douglas H2Local10aEnduring AmericacDouglas H. Chadwic  aWashingtonbNational Geography Societyc1995