Here the line enters the northeastern corner of the vast iron and coal field of Shansi.
The importance of this coal field to the interests of Peru and La Salle can scarcely be over estimated.
Every coal field supplies a yearly increasing number of places beyond its own confines.
From Taiyuan, it proceeds northwestward through another rich iron and coal field of Shansi to Kolan.
By this change no part of the Wilkeson-Carbonado coal field would be included in the park.
No one experienced in mining would, of course, consider it feasible to open a coal field on a basis of a single 160-acre tract.
It passes through the famous oil field in Shensi, and the northern border of the northwestern Shansi coal field.
The area of this coal field is estimated at about thirty-six thousand square miles.
This the bottom group.This is the bottom group of the Washington Territory coal field.
How different the children of the coal field looked to those along the creeks in the shady hollows of the Blue Ridge!