Fossil Collecting in Arbuckle Mtns, Oklahoma, 3/24/2003

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West side of I-35 on 77-D roadcut (stop #4) Devonian/Silurian limestone. Calcereous as shown in this image which violently fizzes with a few drops of hydrochloric acid (HCL). It is slightly yellowish in color and contains trilobites, crinoids, brachiopods, etc.
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West side of I-35 on 77-D roadcut (stop #4) Devonian/Silurian limestone. Calcereous as shown in this image which violently fizzes with a few drops of hydrochloric acid (HCL). It is slightly yellowish in color and contains trilobites, crinoids, brachiopods, etc.