NRG Energy Inc <NRG.N> planned to restart the 864-megawatt Unit 2 at the Limestone coal-fired power station in Texas on Dec. 16-18, the company told Texas regulators in a report.

Limestone, found in the Hill Country and much of central Texas, is a sedimentary rock formed ... are quickly and efficiently sawed into thin slabs of veneer for use in much of today's construction.

Above that mass of limestone there is only a veneer of soil ... southward in a graceful curve across the face of what is now Texas. In the long run they were diminished by erosion and pressed ...

2007-03-11 04:00:00 PDT San Antonio-- Wind, rain and the reverent touches of 2.5 million annual visitors are taking their toll on the Alamo's limestone walls, slowly eroding the landmark where one ...

Texas Commission on Environmental Quality commissioners approved NRG Limestone's permit for an 800-megawatt expansion at the plant near Jewett, 100 miles south of Dallas. The facility has been ...