Bradbury, A. and J.V. Tagart.
2000. Modeling geoduck, Panopea abrupta (Conrad, 1849) population dynamics.II. Natural mortality and equilibrium yield. J. Shellfish Research, 19(1):63-70.
Bradbury, A., B. Sizemore, D. Rothaus and M. Ulrich.
2000. Stock assessment of subtidal geoduck clams (Panopea abrupta) in Washington. WDFW, Technical Report Number FPT00-01. 57 p.
1976. Observations on spawning an growth of subtidal geoducks (Panope generosa, Gould). Proc. Nat. Shellfisheries Assoc. 65:49-58.
Goodwin, L. and W. Shaul.
Age, recruitment and growth of the geoduck clam (Panope generosa, Gould) in Puget Sound, Washington. Wash. Dept. Fish. Progress Rpt. No. 215. 30 p.
Goodwin, C.L. and B. Pease.
1989. Species profiles: life histories and environmental requirements of coastal fishes and invertebrates (Pacific Northwest) -- Pacific geoduck clam. U.S. Fish. Wildl Serv. Biol. Rep. 82(11.120). US Army Corps of Engineers, TR EL-82-4. 14 p.
Hoffmann, A., A. Bradbury and C.L. Goodwin.
2000. Modeling geoduck , Panopea abrupta (Conrad, 1849) population dynamics. I. Growth. J. Shellfish Research, 19(1):57-62.
Sizemore, B. and C. Blewett.
2006. Geoduck studies in Hood Canal. Progress work associated with House Bill 1896. Report to the 2006 legislature, House Select Committee on Hood Canal. January 1, 2006. DNR, Aquatic Resources Division. 54 p.
Washington Department of Natural Resources
2000. The Puget Sound Commercial Geoduck Fishery Management Plan. December 2000. DNR, Aquatic Resources Division. 15p.
Washington Department of Natural Resources.
2001. Final Supplemental Environmental Impact Statement (FSEIS) for the State of Washington Commercial Geoduck Fishery. May 23, 2001.DNR, Aquatic Resources Division. 135 p.