TY  - GEN
AU  - Walton, William C
TI  - Groundwater resource evaluation
T2  - Mc graw-hill series in water resources and enviornmental engineering
U1  - 627.17 WAL 
CY  - Tokya, Mc graw-hill kogakusha, ltd
KW  - Ground water/aquifertest/hydro geologic systems/darcy's law
ER  -