Gaumer, Thomas F., and Oregon. Dept. of Fish and Wildlife. Clam studies: 1984 In Information Reports (Oregon. Fish Division). Vol. no.85-8. Newport, OR: Oregon Department of Fish and Wildlife, 1985.

Gaumer, Thomas F., and Oregon. Dept. of Fish and Wildlife. Clam studies: 1983 In Information Reports (Oregon. Fish Division). Vol. no.84-14. Newport, Or.: Oregon Department of Fish and Wildlife, 1984.