The records show an early interest in several Extractive industries, including mining, not just for gold but for copper and iron as well.
"The Virginia Company Of London, 1606-1624"
Wesley Frank Craven
I am also particularly grateful to Dr. John T. Schlebecker of the Extractive Industries Division of the Smithsonian Institution.
"Frying Pan Farm"
Elizabeth Brown Pryor
4. Colonization projects in Alaska for developing various Extractive industries.
"A Stake in the Land"
Peter Alexander Speek