TY  - RPRT
TI  - Seismic refraction survey in the Great Miami River Valley and vicinity, Montgomery, Warren, and Butler Counties, Ohio
AU  - Joel S. Watkins
AU  - Andrew M. Spieker
PY  - 1964
DO  - 10.3133/ofr64161
UR  - https://pubs.usgs.gov/publication/ofr64161
ID  - ofr64161
ER  -