in mid-july 1951, heavy rains led to a lot of water in the kansas river. flooding happened in the kansas, neosho, marais des cygnes, and verdigris river basins. there was more than $935 million in damage in eastern kansas and missouri in june and july 1951. adjusting for inflation, it would be nearly $8.52 billion in 2016. the flood killed 17 people. it caused 518,000 people to move somewhere else.