Did people die in Mammoth Cave?

What is the River that separates New York? What items were traded on the mediterranean trade routes? What is the magnitude of nevado del ruiz volcano? Which constitutional monarchy is a tiny island in the Persian Gulf? Names of rivers beginning with k? How much did the worker get paid on the three gorges dam? Which river runs through Mammoth Cave National Park? What was the name of the tower which people built to try and reach up to heaven? Why were canals important? 4 major oceans? Are there lily pads in the rainforest? What is domestic tourism and its type? When was the Liberty Bell celebrated? How much rain must an area receive a year to be a rain forest? What is significant about Machu Picchu? Columbus sailed the ocean blue in 1492 did he sail in bce or ce? What is the continent is the Great Wall of China in? Where is the closest ocean front beach to Peoria il? Which canal is busy er Panama Canal or Suez canal? What river runs northeast from the Great Lakes?