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A fascinating look at the natural and human-caused influences that have shaped and continue to shape Oregon's forests, using the Lewis and Clark Expedition of two hundred years ago as a backdrop.

In 1978, a national workshop on fire effects in Denver, Colorado, provided the impetus for the "Effects of Wildland Fire on Ecosystems" series. Recognizing that knowledge of fire was needed for land management planning, state-of-the-knowledge reviews were produced that became known as the "Rainbow Series."