Harbor seals (Phoca vitulina) are the most abundant marine mammal species in Washington State and occur throughout the marine waters

From 6 to 17 June 1999 (4 to 5 June were transit days), the U.S. Geological Survey conducted seismic-reflection surveys

Cascadia Research in collaboration with Oceanic Society has conducted a long-term research effort on humpback whales and other marine mammals

Cascadia Research in collaboration with Oceanic Society has conducted a long-term research effort on humpback whales and other marine mammals

Surveys were conducted in 1999 to continue long-term research studies of humpback and blue whales off California, Oregon, and Washington.

The managment of eastern Pacific gray whales that feed in southern waters depends on how individuals are recruited into this

Surveys were conducted in 2000 to continue long-term research studies of humpback and blue whales off California, Oregon, and Washington.

Since 1996, Cascadia Research has been conducting research on humpback whales and other marine mammals off the Pacific coast of

In May 2002, the U.S. Geological Survey and Geological Survey of Canada conducted seismic surveys in the coastal waters of