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Rkap10: DSC-041, Alexandria, VA. June 1971.
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Rkap10: DSC-044, Washington, DC. July 1978.
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Rkap10: DSC-5, Washington, DC. May 1978.
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Rkap10: DSC-040, Arlington, VA. November 1976.
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Rkap10: DSC-050, Alexandria, VA. January, 1980.
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Rkap10: DSC-051, Alexandria, VA. SR #7. July 1971
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Rkap10: Ohiopyle, PA, 7-1973