21.  But in the rugged mountainous terrain, flat land is in limited supply, and most of it was long ago bought up.

22.  But negotiations have faltered, while rising global demand, limited supplies and, in the United States, a long, cold winter helped propel oil prices higher.

23.  But increasingly, wealthy buyers are racing to scoop up the limited supply of home sites.

24.  But the stampede of client companies seeking Big Five audits overwhelmed the limited supply of trained auditors, and the quality of the work suffered, analysts said.

25.  But those surpluses may be running low as other states rush to deregulate the energy industry and compete vigorously for limited supplies of energy.

26.  Buyers began seeking other suppliers at a time of strong demand and limited supplies.

27.  Children played throughout the shelter while their parents tried to cook with limited supplies.

28.  City officials estimate that a limited supply of water will be restored by this weekend, but it could be two weeks before the town gets electricity.

29.  Concerned about the rising cost and limited supply of heating oil, they were hoping to store a larger supply of firewood this year than last.

30.  Cotton prices peaked in April, amid limited supply, particularly in the U.S., and have been dropping since.