1.   The river had carved channels in the limestone rock.

2.   Such areas are also among the most vulnerable to pollution, since the limestone rock reacts with the silage to form a more poisonous compound.

3.   And the ferns should go back to their shady woodlands or their limestone rocks or their tropical trees or the desert, for all I care.

4.   But these wealthier families remain self-sufficient, living off the land, even down to the limestone rocks that are fashioned into bricks in outdoor kilns.

5.   His dishes and glassware from Pottery Barn and Crate and Barrel were secondary to his fanciful centerpiece of polished river stones and rough limestone rocks.

6.   Just beyond it is Qenko, a limestone rock covered with carvings and steps.

7.   The fourth room, downstairs, opened to the small beach covered with a gravelly white sand that turned into shallows of limestone rock.

8.   The survey used new methods to bore holes in the limestone rock and extract a core.

9.   Ten were buried when tonnes of limestone rock and sand, believed to have been made unstable by recent heavy rain, collapsed on them, he said.