115 4. Near-surface reflection surveying Figure 4.21 Processing of geophone line 11 with a 60 m source offset; top left: amplitude recovery, bottom left: deconvolution, top right: refracted wave, bottom right: first residual section. Figure 4.22 Processing of geophone line 11 with a 60 m source offset; top left: low apparent velocity waves, bottom left: second residual section, top right: time section, bottom right: depth section.
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