Surface Subsidence in Illinois Resulting From Coal Mining (Classic Reprint) - Tapa dura

Excerpt from Surface Subsidence in Illinois Resulting From Coal Mining

It is undoubtedly to the interest of the State to conserve the coal supply by securing as complete extraction as possible from the areas in which mining is now being carried on. Almost one - half of the coal is being left in the ground and made unavailable for future mining, and in some places a large part of this abandoned coal is left because the mine operators fear that by removing a larger per centage they may cause surface subsidence and be required to pay damages out of proportion to the real value of the surface. In many places the surface may be restored at little expense. But until the prevailing conditions are known accurately and the essential facts are understood and studied, the State cannot consider or propose meas ures to relieve the mining industry of this severe burden.

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