The flat, paper-thin lenses seen most clearly on the left side of this close-up photograph are layer after layer of urine-compacted soil. The dark and light bands represent ash, charcoal and other living debris compacted by the repeated use of this area of the shelter as a latrine.This photo, taken late in the 1976 season, depicts the lower deposits in the south wall of Block B as exposed during the excavation of the north half of the block. TAMU Anthropology archives.
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