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Yiev of roue of the gravelly to clayey sand, cobbles, asd boulders a:cavated <br />from I.S [o l8 Eeet in test pit TP 3. 1be boulder in the foreground is about <br />4 feet across. <br />Material excavated from 2. 5 to IS fee[ in test pit TP 4. Note the calcim <br />carbonate. coating on cost of the rocks. <br />PH(Y[US BY JOE C. BARNES FEBRUARY 11 AND 14, 2000 <br />