It was a flood of biblical proportion rampaging for two months, cutting a swath across 9 Midwestern states killing 50 people and destroying or damaging 55,000 homes. Hardin, Missouri, population a little over 600, was a small, close-knit farming community. Residents watched over each other and their history by taking exceptional care of the local cemetery where their ancestors rested. What the inhabitants of this small Missouri town came to realize...