Anyone familiar with mining in the U. S. is familiar with Asturian immigrants. Mining was important in Asturias. Others came seeking a new life.
Some went to Cuba, and other new world countries.
There is an association.
Help is given to those who wish to return to Asturias to retire.

Asturian-American Migration Forum:
Asturianus

"These Asturians immigrants established an informal but lively network which connected Spain, Cuba, Florida, Indiana, Kansas, Missouri, New York, Ohio, Pennsylvania, West Virginia and other locations within the U. S."