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Geophysical instrumentation for use in the fields of oil and gas, groundwater and other subsurface fluid investigations, and aquifer characterization, namely, a borehole geophysical logging tool comprised primarily of probes, cables, a computer, surface measuring instrumentation in the nature of electronic data loggers, tension monitors, depth monitors, speed monitors, winches, amplifiers, power supplies and computer hardware and software for displaying, monitoring, interpreting, and analyzing the data