Books by George L Kerr

George L Kerr

Filtro
Practical Coal Mining

Practical Coal Mining

A Manual for Managers, Under-Managers, Colliery Engineers, and Others

George L Kerr
Hardcover
Publicada: 2022
Practical Coal Mining

Practical Coal Mining

A Manual for Managers, Under-Managers, Colliery Engineers, and Others

George L Kerr
Paperback
Publicada: 2022