The unknown microorganisms likely used marble and limestone found in Namibia, Oman, and Saudi Arabia as a habitat.

Tennessee sits on what is known as a karst corridor, which stretches from eastern Mississippi all the way to New England.

At one time, limestone and baked clay marbles ... By 1983 only one active marble yard remained in Tennessee and the Monroe County Fair offered the only annual tournament, but just across the ...

Some residents of Hamblen County opposed a proposed limestone quarry, fearing water contamination and property devaluation.

Granite, Indiana limestone, Tennessee marble and other indigenous U. S. building materials began to be routed last week to a parklike strip between the Capitol and the Potomac which Washington ...