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Charles H. Porter and Richard C. Collins
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Charles H. Porter and Richard C. Collins
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Charles H. Porter and Richard C. Collins
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Charles H. Porter and Richard C. Collins
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Charles H. Porter and Richard C. Collins
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William E. Collins, Carlos C. Campbell, Richard C. Collins, and Jimmie C. Skinner
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Richard C. Collins, Mauricio E. Merino, and E. W. Cupp
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Horacio Figueroa M., Richard C. Collins, and Wieslaw J. Kozek
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Charles H. Porter, Richard C. Collins, and A. David Brandling-Bennett
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Ricardo Lujan L., William E. Collins, Peggy S. Stanfill, Carlos C. Campbell, Richard C. Collins, William Brogdon, and Alan Y. Huong
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