Authors: Thomas Arthur Rickard

The Bunker Hill Enterprise An Account Of The History, Development, And Technical Operations Of The Bunker Hill & Sullivan Mining & Concentrating Company, At Kellogg, Idaho, U. S. A — Thomas Arthur Rickard
The Sampling and Estimation of Ore in a Mine — Thomas Arthur Rickard

The Bunker Hill Enterprise An Account Of The History, Development, And Technical Operations Of The Bunker Hill & Sullivan Mining & Concentrating Company, At Kellogg, Idaho, U. S. A — Thomas Arthur Rickard