Raymond Rossiter Worthington

The John Fritz Medal

Silver And Gold: An Account Of The Mining And Metallurgical Industry Of The United States: With Reference Chiefly To The Precious Metal

A Glossary Of Mining And Metallurgical Terms

Silver And Gold

A Glossary Of Mining And Metallurgical Terms

Camp And Cabin

Mineral Resources Of The States And Territories West Of The Rocky Mountains

Camp And Cabin

The John Fritz Medal

Peter Cooper The Riverside Biographical Series, Number 4

Silver And Gold: An Account Of The Mining And Metallurgical Industry Of The United States, With Reference Chiefly To The Precious Metal

Mining Industry Of The States And Territories Of The Rocky Mountains

Mining Industry Of The States And Territories Of The Rocky Mountains

Statistics Of Mines And Mining In The States And Territories West Of The Rocky Mountains

The Mines Of The West