01039cam a22002651 4500 gs 61000212 DLC 20260227111410.0 790607s1960 inu b s000 0 eng gs 61000212 (OCoLC)5044850 DLC TxCM DLC WaU premarc QE109 .A3 no. 21 Biggs, Maurice Earl, 1921- Seismic velocities and synthetic seismogram computed from a continuous velocity log of a test well to the basement complex in Lawrence County, Indiana, by Maurice E. Biggs, Robert F. Blakely [and] Albert J. Rudman. Bloomington, State of Indiana, Dept. of Conservation, Geological Survey, 1960. 15 p. Indiana. Geological Survey. Report of progress no. 21 Bibliography: p. 15. Seismic prospecting. Seismic waves Speed. Seismology Indiana Lawrence County. Report of progress (Indiana. Geological Survey) ; no. 21. 29544 29544