This map is horribly innacurate. It only shows 4 counties along the east coast of Puget Sound, when in fact there are five (Whatcom, Skagit, Snohomish, King, and Pierce top to bottom), as can be seen on most maps, such as here:
This map is horribly innacurate. It only shows 4 counties along the east coast of Puget Sound, when in fact there are five (Whatcom, Skagit, Snohomish, King, and Pierce top to bottom), as can be seen on most maps, such as here: