=LDR            22        4500
=001  6451
=082  04$a553.7 WAL
=100  1\$aWalton, William C.
=245  10$aGroundwater Resource Evaluation
=260  \\$aNew York :$bMcGraw-Hill Book Company,$c1970
=650  \0$aBooks
=852  \\$bGeography Basement$h553.7 WAL