Early geophysical papers of the Early geophysical papers of the Society of Exploration Geophysicists earlygeophysical00soci Year: 1947 148 F. GOLDSTONE flexions from lenticular beds, and in the particular case of the Gulf Coastal Plain of Texas and Louisiana these reflexions frequently per- sist and are correlatable over distances in excess of 1,000 feet. R. 2 W. R 2 W FiG 8.—Lucien area, Noble County, Oklahoma. Contoured on Viola limestone data obtained by reflexion shooting. Figure io (a) to (c) shows examples of typical seismograms ob- tained under such conditions. Figure io (a). The s

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Early geophysical papers of the Early geophysical papers of the Society of Exploration Geophysicists earlygeophysical00soci Year: 1947 148 F. GOLDSTONE flexions from lenticular beds, and in the particular case of the Gulf Coastal Plain of Texas and Louisiana these reflexions frequently per- sist and are correlatable over distances in excess of 1,000 feet. R. 2 W. R 2 W FiG 8.—Lucien area, Noble County, Oklahoma. Contoured on Viola limestone data obtained by reflexion shooting. Figure io (a) to (c) shows examples of typical seismograms ob- tained under such conditions. Figure io (a). The shot point in this instance is located down dip from the seismometers as evidenced by the fact that the reflected energy is arriving almost parallel to the surface; in fact the last event indicated with an arrow on the record reaches the most remote seis- mometer ahead of the nearer seismometers. In this instance the shot 808

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