Special Data Collection System Event Report NTS Event 'OBAR', 30 Apr 1975
TELEDYNE GEOTECH ALEXANDRIA VA ALEXANDRIA LABS
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The event report contains seismic data from the Special Data Collection System SDCS, and other sources for the NTS Event OBAR, on 30 April 1975. Published epicenter information from seismic observations is given.
- Seismic Detection and Detectors