11.   He spotted the first buffalo shortly after noon, a lone bull on a hillside across a deep valley.

12.   Last year, his absence from the scene caused this deep valley in the business.

13.   Many of the homeowners said that they have complained for years to city officials about the deep valleys on the streets, but that they had received no response.

14.   Nocturnal chill is enhanced in deep valleys, where heavy, cold air drains gently down mountains.

15.   Over the eons, wind, rain and rivers eroded the tufa in amazing ways, creating a series of deep valleys bordered by steep, gently undulating cliffs.

16.   Pockets of freezing rain will persist in northern New England where cold air remains lodged in deep valleys.

17.   Since cold air is dense, it can be stubborn to leave deep valleys.

18.   The deep valleys of the Northeast are primary targets for freezing rain, but the Great Plains are also vulnerable to glazing from ice.

19.   The trip starts easily enough, hiking above a deep valley and meadow, contouring along the mountain slope, the trail nearly flat.

20.   The Union commander, Gen. Don Carlos Buell, had his headquarters in a deep valley and was blissfully unaware that his troops were fighting for dear life.