By 1960, cobalt sourced from Africa meant that the U.S. had sufficient stockpiles to meet domestic demand for five years. To some extent, these efforts even ended up being too successful.

Electra Battery Materials, which is focused on developing North America's only cobalt sulphate refinery, has welcomed the Ontario government’s C$500-million Critical Minerals Processing Fund ...

Cobalt: Cradle of the Demon Metals, Birth of a Mining Superpower Charlie Angus. House of Anansi, $19.99 trade paper (400p) ISBN 978-1-4870-0949-6 ...