Title: Hard road west
Subjects: History, Overland journeys to the Pacific, Frontier and pioneer life, Geology, Landforms, Pioneers, Geography, Landscapes, Biography, Description and travel, Frontier and pioneer life, west (u.s.), Overland journeys to the pacific, Geology, united states, West (u.s.), history, West (u.s.), description and travel, Travel, Erschließung, Frontier, Goldrausch, Geologie, Landscape