具体描述
Here are the incredible stories of sea navigators, mountain men, military men, and master surveyors who brought the world knowledge of the uncharted lands known as "the West." Index, time line, glossary, bibliography, source notes, maps.
Here are the incredible stories of sea navigators, mountain men, military men, and master surveyors who brought the world knowledge of the uncharted lands known as "the West." Index, time line, glossary, bibliography, source notes, maps.
