Letters from: [ Stuart Fiedel ][1] [ Tom D. Dillehay ][1] [ Betty J. Meggers ][1] [ Anna C. Roosevelt ][1] Anna C. Roosevelt et al . (Article, [19 Apr., p. 373][2]) present results of excavation of Caverna da Pedra Pintada at Monte Alegre, an important early site in the Brazilian Amazon. A
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