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Kansas Geological Survey, Open File Report 98-48
GEMS Site Borehole GPR, continued

Figure 8

Survey 2 GPR common-source gathers using (a) 50 MHz, and (b) 200 MHz, borehole antenna. The vertical axis is one-way travel-time in nanoseconds, and the horizontal axis is vertical distance between source and receiver antennas. Source depth locations were 20.5 m. The antennas were 9.66 m apart at zero-offset. A large version of this figure is available and is 114k in size.

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Kansas Geological Survey, Oil and Gas Information
Updated Nov. 17, 1998
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