TY  - BOOK
ED  - Departments of the army and the air force 
TI  - Wells
U1  - 823.912 WEL 1957 
PY  - 1957///
CY  - Washington
PB  - Departments of the army and the air force; 
KW  - Civil aids
KW  - Driven wells
KW  - Rotary drilling methods
N1  - Driven wells; Jetted wells; Drilled wells
ER  -