Le Secret de la mine

In California's Death Valley, a chemistry whiz-kid helps a sheriff track the man who murdered a wealthy mine owner who had been staying at a fancy winter resort.In California's Death Valley, a chemistry whiz-kid helps a sheriff track the man who murdered a wealthy mine owner who had been staying at a fancy winter resort.In California's Death Valley, a chemistry whiz-kid helps a sheriff track the man who murdered a wealthy mine owner who had been staying at a fancy winter resort.