Mines
Illinois State Geological Survey - shows where areas are undermines. On the left side of the page under "Maps, Data..", choose Maps, then under "By Theme" choose "Ill. Coal Mines Quadrangle Maps", choose Gillespie South for the Benld area.
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"We know where most of the creativity, the innovation, the stuff that drives productivity lies--in the minds of those closest to the work. It's been there in front of our noses all along while we've been running around chasing robots and reading books on how to become Japanese--or at least manage like them."
—John F. Welch |
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