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

Figure 2

Frequency spectra of Survey 1 GPR zero-offset profiles using (a) 50 MHz, (b) 100 MHz, and (c) 200 MHz borehole GPR antennas. The vertical axis is frequency in megahertz, and the horizontal axis is depth from the well-top. The antennas were 5.39 apart. A large version of this figure is available and is 138k in size.

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