Environmental History of the Pacific Northwest. All major historical movements can be examined, not only in terms of conquests, battles and industry, but also in terms of the damage, alterations, and bio-population shifts these events left in their wake. Looking at the expansion of the West through the prism of ecological change is a particularly useful introduction to environmental history, because it is relatively recent, the variety of ecosystems is rich, and the effects have been dramatic and well documented.6-pages, bibliography lists 3 sources. Pages: 6 Bibliography: 3 source(s) listed Filename: 12972 The Pacific Northwest.doc Price: 53.70