TY  - BOOK
AU  - Grover, Thomas P.
AU  - Stewart, Duff C.
CN  - I 19.76:
CY  - [Denver, Colo.?] :
DA  - 1990.
ID  - 263611
KW  - Electric prospecting
N1  - Cover title.
N1  - Distributed to depository libraries in microfiche.
PB  - U.S. Dept. of the Interior, Geological Survey,
PP  - [Denver, Colo.?] :
PY  - 1990.
T1  - Short wave loop-loop sounder
TI  - Short wave loop-loop sounder
VL  - 90-318
ER  -