Lead:  J. Harlen Bretz stared at the geological map of the Quincy Basin near the Columbia River in eastern Washington state. He thought he recognized the outline of a huge waterfall, but how could that be? There was no water.

Intro.: A Moment in Time with Dan Roberts.
Content: While teaching high school in Seattle before World War I, Bretz became fascinated with a section of Washington state known as the Scablands, about 2000 square miles of stripped earth around Spokane that looked as thought a giant had reached down and scraped the earth away leaving bare, black rock. Heaps of gravel hundreds of feet high, enormous "potholes" and huge canyons where no water runs. To Bretz they meant the presence of water, flood water in incredible volume. The problem for Bretz was that his conclusions meant that he would soon find himself in conflict with most of the scholars in his field.

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