=LDR            22        4500
=001  2236
=082  04$a970.01 CLA
=100  1\$aClark, Thomas H.
=245  10$aGeological evolution of North America
=260  \\$aNew York :$bThe Ronald Press Co.,$c1968
=650  \0$aBooks
=700  1\$aStearn, Colin W.
=852  \\$bFreeman Library$h970.01 CLA