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by R.T. HILL SCALE 1897
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SAN MARCOS SPRING.
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FIG. 74. Composite section of the Gillespie forma. . .
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NATURAL SECTION OF OLD WATER CHANNELS IN LIMESTONE. . .
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FIG. 75. Honeycombed strata, Edwards limestone.
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FIG. 76.-Displacement at Mount Bonnel, Travis Coun. . .
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RUN OFF OF SAN MARCOS SPRING. Waves produced by s. . .
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U. S. GEOLOGICAL SURVEY EIGHTEENTH ANNUAL REPORT P. . .
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CHARACTERISTIC FOSSILS OF THE TRAVIS PEAK AND GLEN. . .
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CHARACTERISTIC FOSSILS OF THE GLEN ROSE FORMATION.. . .
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CHARACTERISTIC FOSSILS OF THE WALNUT CLAYS AND CO. . .
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CHARACTERISTIC FOSSILS OF THE EDWARDS LIMESTONE. l. . .
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