PICHER, Oklahoma (CNN)-- Wearing powder blue pants ... The walls of his pool hall -- the sign in the window says "Hoppy's Museum" -- are now papered with photos and artifacts.

The town of Picher, Oklahoma, was once home to the world's richest lead and zinc mining field. After decades of mining, towering piles of mine waste covered 25,000 acres, devastating Quapaw tribal ...

PICHER, Oklahoma (CNN)-- Wearing powder blue pants ... The walls of his pool hall -- the sign in the window says "Hoppy's Museum" -- are now papered with photos and artifacts.