sentences:  With help of staffs of chemists this leaching technology was adopted at other works, such as his introduction of the process at Inspiration, and was a direct descendant of his work for Dr. Douglas in 1891.This process is the basis for all modern leaching (or solvent) processes used in copper mines around the world.He later flirted with California oil projects, Chilean copper mines, and Chihuahua, Mexico railroads and silver-lead mines, but his great works had been completed.