MeSH definition : The geographic designation for states bordering on or located in the Pacific Ocean.
The states so designated are Alaska, California, Hawaii, Oregon, and Washington. (U.S.
Geologic Survey telephone communication);
MeSH annotation : index specific states as needed but use PACIFIC STATES when text uses the term & when
the region is the intent of the author; CATALOGER: Use for 4 or more states;
The geographic designation for states bordering on or located in the Pacific Ocean.
The states so designated are Alaska, California, Hawaii, Oregon, and Washington. (U.S.
Geologic Survey telephone communication)