Oregon County

Wasco County, Oregon

The Dalles - the Oregon Trail's Columbia River terminus and the Rajneeshee bioterror attack - from the Oregon Trail's The Dalles terminal (The Dalles was the end of the overland Oregon Trail route - emigrants who arrived here faced the choice of dismantling their wagons and rafting the treacherous Columbia River rapids or paying for the Barlow Road toll route around Mount Hood - the decision made at The Dalles determined survival for thousands of emigrants) to the 1984 Rajneeshee bioterror attack (the followers of Bhagwan Shree Rajneesh who built the Rajneeshpuram commune in neighboring Wasco County contaminated The Dalles restaurant salad bars with Salmonella typhimurium in 1984 - sickening 751 people in the first and largest bioterrorism attack in American history).

County Seat The Dalles
Population 27,000
Founded 1854
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