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  1. Shellfish investigations progress report: no.38 (April 1, 1966-March 31, 1967)

    This report is an update of shellfish investigations from April 1966-March 1967. It includes the bay clam abundance/age growth surveys, with emphasis on the Yaquina, Umpqua, and Coos Bays. The study on life...

  2. Shellfish investigations progress report: no.39 (April 1, 1967-March 31, 1970)

    This report is an update of shellfish investigations from April 1967 to March 1970. It includes the results of bay clam surveys for Yaquina, Siuslaw, and Umpqua bays, and harvest numbers for razor clams in...

  3. Shellfish investigations progress report: no.37 (April 1, 1965-March 31, 1966)

    This report is an update of shellfish investigations from April 1965-March 1966. It has bay clam surveys results, with more detail on the Tillamook and Yaquina Bays, but includes others such as Nehalem,...