Baker CS, Lento GM, Cipriano F, Dalebout ML, Palumbi SR (2000) Scientific Whaling: Source of Illegal Products for Market? Science 290:1695-1696.

Barlow J, Taylor BL (2001) Estimates of large whale abundances off California, Oregon, Washington, and Baja California based on 1993 and 1996 ship surveys. Administrative Report LJ-01-03, Southwest Fisheries Science Center, La Jolla, CA.
http://swfsc.nmfs.noaa.gov/PRD/CMMP/OtherReports/Whales/lgwhales.pdf

Calambokidis J, Chandler T, Schlender L, Steiger GH, Douglas A (2003) Research on humpback and blue whales off California, Oregon and Washington in 2002. Final Report. prepared for Southwest Fisheries Science Center, Olympic Coast National Marine Sanctuary, Scripps Institute of Oceanography, and Office of Naval Research by Cascadia Research, Olympia, WA.
http://www.cascadiaresearch.org/reports/rep-MN02.pdf

Folkens P, Reeves RR, Stewart BS, Clapham PJ, Powell JA (2002) National Audubon Society Guide to Marine Mammals of the World. Alfred A. Knopf, New York, NY.

McDonald MA, Calambokidis J, Teranishi AM, Hildebrand J (2001) The acoustic calls of blue whales off California with gender data. Journal of the Acoustical Society of America 109:1728-1735

Monterey Bay National Marine Sanctuary, Sanctuary Integrated Monitoring Nework (SIMoN), Marine Mammal Monitoring Projects.

http://www.sanctuarymonitoring.org/
regional_sections/marineMammals/projects.php?sec=mm

Cascadia Research Collective.
http://www.cascadiaresearch.org

Center for Integrated Marine Technologies (CIMT), Wind to Whales Program.
http://cimt.ucsc.edu/

International Whaling Commission, Lives of Whales.
http://www.iwcoffice.org/conservation/lives.htm

Monterey Bay National Marine Sanctuary, Education and Outreach, Threatened and Thriving.
http://montereybay.nos.noaa.gov/educate/tt/

Monterey Bay National Marine Sanctuary, SIMoN web, Marine Mammal Monitoring Projects, Underwater Behavior of Large Whales Using Suction-cup Attached Tags.
http://www.sanctuarymonitoring.org/
regional_sections/marineMammals/projects.php?sec=mm

NOAA, Pacific Marine Environmental Laboratory, Bioacoustics - Monitoring marine mammals using acoustics. 
http://www.pmel.noaa.gov/vents/acoustics/whales/bioacoustics.html

NOAA Office of Protected Resources, Stock Assessment Reports
http://www.nmfs.noaa.gov/prot_res/PR2/Stock_Assessment_Program/sars.html

Oregon State University, Marine Mammal Program, Research Summaries.
http://oregonstate.edu/groups/marinemammal/ResearchMain.htm

Tagging of Pacific Pelagics (TOPP), TOPP Near Real-Time Animal Tracks.
http://las.pfeg.noaa.gov/TOPP_recent/

Figure 2. Sightings of blue whales based on summer/autumn shipboard surveys off California, Oregon, and Washington, 1991-2001. Dashed line represents the U.S. Exclusive Economic Zone (EEZ); bold line indicates the outer boundary of all surveys combined (reprinted from Carretta et al. 2005; see Appendix 2 of that report for actual transect lines surveyed)².
Download (120 KB PDF).

Figure 3. At-sea sightings and survey effort for blue whales in the Monterey Bay, Gulf of the Farallones, and Cordell Bank National Marine Sanctuaries. At sea sightings are based on data form eight survey programs conducted in 1998-2001⁶.
Download (268 KB PDF).

Figure 4. Location of blue whales sighted during opportunistic whale watch surveys between 1992-1996 in Monterey Bay, California (reprinted with permission)⁹.
Download (48 KB PDF).

Cascadia Research, Photo Gallery. 
http://www.cascadiaresearch.org/Photo%20gallery/photo_gallery.htm