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Upper Black Bear Spillway

Description: Photograph of Site No. 71, Upper Black Bear. AC observing concrete workers preparing forms for the riser on the upper end of the principal spillway. Also shown to the left, a drainway to keep the natural drain open to prevent impoundment of water during construction.
Date: July 13, 1962
Creator: Chance, R. J.
Partner: Oklahoma Conservation Historical Society
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