TY  - BOOK
AU  - Campbell,Michael D.
AU  - Lehr,Jay H.
TI  - Water well technology: Field principles of exploration drilling and development of ground water and other selected minerals 
SN  - 0070460973
U1  - 622.37 
PY  - 1973///.
CY  - New York: 
PB  - McGraw-Hill book company, 
KW  - Wells
ER  -