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This notebook describes work that took place on the following dates:

Mar 30, 1970 Mar 31, 1970 April 1, 1970
April 2, 1970 April 3, 1970 April 6, 1970
April 7, 1970 April 8, 1970 April 9, 1970
April 10, 1970 April 13, 1970 April 14, 1970
April 15, 1970 April 16, 1970 April 17, 1970
April 20, 1970 Map index

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