Oddly, the low-res Southern half seems to show water, while the high-res Northern half seems to show the "pond" under construction.
This is likely to be related to Peabody Energy's No. 16 mine, but I can't confirm that.
Also, this area is quite cool when viewed in Google Earth with terrain turned on.
Lakes, Under Construction, Resources - Coal
Links: www.peabodyenergy.com
By: AlbinoFlea