gptkb:Pacific_Northwest
coast of present-day Oregon
coast of present-day Washington
coast of present-day Alaska
coast of present-day British Columbia
coast of present-day California
mapping of Puget Sound
British claims to Pacific Northwest
detailed charts of the Pacific Northwest
mapping of Columbia River estuary
mapping of Queen Charlotte Sound
mapping of San Juan Islands
mapping of Strait of Georgia
mapping of Vancouver Island
naming of many geographic features