On August 18 , 1970 the name was changed to Pacific Northwest Region .
The Pacific Northwest Region was established on December 30 , 1969 , as the Northwest Region and included Alaska , Washington Idaho , Oregon , and Lava Beds NM in California .
On August 18 , 1970 the name was changed to Northwest Region     .
The Pacific Northwest Region was established on December 30 , 1969 , as the Northwest Region and included Alaska , Washington Idaho , Oregon , and Lava Beds NM in California .