1.   As a result, ozone levels in the park sometimes peak at midnight and endure throughout the day, especially on mountain ridge lines.

2.   As morning light broke over the mountains, American bombs were still hitting the strategic ridge line where the Qaida fighters were dug in.

3.   As the hot air continues to rise, it concentrates in the peak and heats the ridge line.

4.   Before evacuating her, French soldiers unloaded boxes of high protein biscuits from a helicopter, one of several that landed on the mountain ridge line during the day.

5.   A couple disappeared, one at a time, over a more distant ridge line.

6.   A dive bomber drops perilously behind a ridge line, then thunders a few hundred feet overhead and vanishes into the sunlight.

7.   A ridge line of blackened, upthrust boughs seems to mirror the rain.

8.   But the eaves, being lower than the ridge line, are usually cold.

9.   By late morning we had left the Moisie to follow another river, the Nipissis, flowing down from a huge ridge line to our north.

10.   Corn fields claw the ridge lines.