I'm betting you mean Bonne Terre Mine. While I've done tons of diving in MO, KS & AR areas have not done this one. Now prefer warm water/pretty fishes.
But here's a couple of trip reports - Bonne Terre Mine Dive Site Review - Missouri - Pacific NW Scuba - Vancouver Washington / Portland Oregon -
Bonne Terre Mine Trip Report
But here's a couple of trip reports - Bonne Terre Mine Dive Site Review - Missouri - Pacific NW Scuba - Vancouver Washington / Portland Oregon -
Bonne Terre Mine Trip Report