Joseph B. WrightBooksMaths Mate SilverMaths Mate CoffeeMaths Mate OrangeMaths Mate MauveCopper, zinc, silver, and lead concentrations and distributions in mine waste ore at Keystone near Ely, NevadaMaths Mate RedMaths Mate BlueMaths Mate LimeMaths Mate YellowMaths Mate RoseMaths Mate GreenAuthor data: Open Library