Title: The tide of empire
Subtitle: America's march to the Pacific
Subjects: History, Discovery and exploration, Fur traders, Missionaries, Frontier and pioneer life, Pioneers, Overland journeys to the Pacific, Expansie (macht), Nederzettingen, Discoveries in geography, Exploratie, Frontier and pioneer life, northwestern states, Oregon, history, Columbia river and valley
Places: Oregon, Columbia River Valley, Oregon Territory
Time periods: 19th century, To 1859