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Al Q: wtry sound survey 1966 09-09
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Al Q: wtry sound survey 1970 11-13
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Al Q: wtry sound survey 1968 11-22
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Al Q: wtry sound survey 1968 12-13
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Al Q: wtry sound survey 1969 05-16
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Al Q: wtry sound survey 1969 07-11
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Al Q: wtry sound survey 1969 04-25
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Al Q: wtry sound survey 1967 01-27
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Al Q: wtry sound survey 1970 07-31
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Al Q: wtry sound survey 1969 12-05
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Al Q: wtry sound survey 1967 12-01
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Al Q: wtry sound survey 1969 11-21
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Al Q: wtry sound survey 1969 11-14
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Al Q: wtry sound survey 1969 07-25
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Al Q: wtry sound survey 1968 11-08
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Al Q: wtry sound survey 1968 06-07
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Al Q: wtry sound survey 1968 05-24
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Al Q: wtry sound survey 1968 05-10
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Al Q: wtry sound survey 1968 05-03
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Al Q: wtry sound survey 1968 03-22
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Al Q: wtry sound survey 1968 03-01
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Al Q: wtry sound survey 1968 02-16
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Al Q: wtry sound survey 1967 12-24
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Al Q: wtry sound survey 1967 11-10
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Al Q: wtry sound survey 1967 10-29
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Al Q: wtry sound survey 1967 10-06
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Al Q: wtry sound survey 1967 09-29
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Al Q: wtry sound survey 1967 09-22
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Al Q: wtry sound survey 1967 09-16
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Al Q: wtry sound survey 1967 09-09