TY  - THES
A1  - S., C 
T1  - Acoustic Plug Detection on Abandoned Boreholes.
N1  - R825549C059
ER  - 


TY  - JOUR
A1  - Choi, S 
A1  - Kubichek, R 
A1  - Cupal, J 
T1  - Wave Propagation in Plugged Boreholes.
N1  - R825549C059
JF  - JOURNAL OF GEOPHYSICAL RESEARCH
J1  - J GEOPHYS RES
ER  - 


TY  - CONF
A1  - R., K 
A1  - 1., C 
A1  - W., I 
A1  - S., C .
A1  - M., M 
T1  - Identifying Ground-Water Threats from Improperly Abandoned Boreholes.
N1  - R825549C059
ER  -