11.   The footing was so slippery that the track had been closed for training to all horses in the morning and all races had been canceled in the afternoon.

12.   The railroad closed the track Thursday but expected to reopen it by early evening.

13.   The race track was closed six months ago.

14.   The track is being closed for reconfiguration.

15.   The track will be closed Tuesday.

16.   Then, one hour after the track was closed, Luyendyk got the bad news.

17.   Environmentalists have been long trying to have the racing track closed and rebuilt in another area.

18.   Except for a final practice on Thursday, the track is closed until race day.

19.   He practiced briefly Friday before rain closed the track.

20.   If people ignored warning signs not to jump, the council may close tracks leading to the falls, regional council chairman Phil Warren said.