11.   Downed timber used to clog river channels on the Snake, slowing the water and creating still pools that are important trout habitat.

12.   Each center will typically recruit several hundred patients per study, creating a pool of thousands of subjects.

13.   In a sign that his summit counterparts embraced that approach, they agreed to create similar pools of money.

14.   In recent years, pool designers have broken out of the rectangular box and created pools that rely more on the concepts of nature than the T-square.

15.   One solution Microsoft may be considering is expanding its own work force to create a pool of employees who will move from one project to another as needed.

16.   One unresolved problem with schemes to create large pools of money for use after disasters is that those funds are subject to federal tax under current law.

17.   Reducing water flows creates small pools where the baby sturgeon can grow without fear of larger predatory fish or being buried by sediment.

18.   Rising savings would create deeper pools of capital to be invested in businesses.

19.   Some diplomats here have expressed concern that the Aristide government may be creating a pool of embittered and potentially dangerous enemies with its mass dismissals.

20.   Some states have created high-risk pools that let people who are disqualified by most insurers get policies.