Linda From Maine wrote:
Hope this doesn't mean you're personally familiar with black lung disease, Larry.
And: "Wind carries coal dust long distances, dispersing toxins such as arsenic and mercury into soil (15) and waterways. (16) Coal dust pollutes soil. Coal dust harms aquatic life..."
Both of my grandfathers were miners and succumbed to black lung just before my first birthday. I did drive a coal truck for near two years in my 20's.