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Johnson, John A., Jean McCrae, and Oregon. Dept. of Fish and Wildlife. Bay Clam Data Series Report: 1991. Newport, Or.: Oregon Dept. of Fish and Wildlife, Marine Region, 1992.
Johnson, John A., and Oregon. Dept. of Fish and Wildlife. Bay Clam Data Series Report: 1994. Newport, Or.: Oregon Dept. of Fish and Wildlife, Marine Region, 1995.
Johnson, John A., Claire Wood, and Oregon. Dept. of Fish and Wildlife. Bay Clam Data Series Report: 1996. Newport, Or.: Oregon Dept. of Fish and Wildlife, Marine Region, 1997.
Johnson, John A., and Oregon. Dept. of Fish and Wildlife. Bay Clam Data Series Report: 1997. Newport, Or.: Oregon Dept. of Fish and Wildlife, Marine Region, 1999.
Johnson, John A., and Oregon. Dept. of Fish and Wildlife. Bay Clam Data Series Report: 1998. Newport, Or.: Oregon Dept. of Fish and Wildlife, Marine Region, 1998.
Johnson, John A.. The seasonal occurrence and distribution of fish in the Umpqua Estuary, April 1977 through January 1986 In Information Reports (Oregon. Fish Division). Portland, Or.: Oregon Dept. of Fish and Wildlife, 1986.