=LDR            22        4500
=001  7066
=082  04$a917.3 NIX
=100  1\$aNixon, Brian
=245  10$aNorth America the Advancing Frontier
=260  \\$aLondon :$bUniversity Tutorial Press,$c1973
=650  \0$aBooks
=852  \\$bGeography Basement$h917.3 NIX