Wilson, Francis H
Coal : its origin, method of working, and preparation for market/ Francis H Wilson - Melbourne : Sir isaac pitman ; 1921. - ix, 129p. : dia. ;ill. ; 15cm.
Includes index.
676 / WIC
Coal : its origin, method of working, and preparation for market/ Francis H Wilson - Melbourne : Sir isaac pitman ; 1921. - ix, 129p. : dia. ;ill. ; 15cm.
Includes index.
676 / WIC