Title: Message from the President of the United States, communicating the letter of Mr. Prevost, and other documents, relating to an establishment made at the mouth of Columbia River
Subjects: Description and travel, Descriptions et voyages, Compagnie du Nord-Ouest, North West Company, Description, Descriptions
Places: Astoria (Oregon), Astoria (Orégon), Northwestern States, États du Nord-Ouest (États-Unis)