. Early geophysical papers of the Society of Exploration Geophysicists. Petroleum; Prospecting. Fig. 4. Specimen Rockport records, vertical component. The velocity for longitudinal waves obtained from these data was 16,670 + 40 or ± km/sec. 207. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Society of Exploration Geophysicists. Tulsa

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Keywords: ., bo, bookcentury1900, booksubjectpetroleum, booksubjectprospecting