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Walter T. Watanabe, rubber project foreman, examines two specimens of guayule, rubber-bearing desert shrub, in various stages of growth. In ...
[recto] Walter T. Watanabe, rubber project foreman, examines two specimens of guayule, rubber-bearing desert shrub, in various stages of growth. In ...
[verso] Walter T. Watanabe, rubber project foreman, examines two specimens of guayule, rubber-bearing desert shrub, in various stages of growth. In ...
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