The Buffalo Mining Company in Logan County dealt with coal waste as other mines did, by dumping it into a nearby stream.  Over the years, it developed dams to hold in that waste but their poor design was no match for heavy rain, and when the dams ruptured the water and waste created one of West Virginia’s most horrific human tragedies. 

Watch the video here: https://www.youtube.com/watch?v=VA6rtI0Rbac