21.   Government biologists say heading off logging of that land is crucial to the continued existence of a number of endangered species.

22.   Further, the continued existence of newspapers, something you seem to value, depends on readers buying a paper.

23.   His amendment would also guarantee the continued existence of the office within the NRC that evaluates physical protection at reactors.

24.   If they want to ensure the continued existence of the union, they could try to forge an agreement that will appeal to a majority of players.

25.   In a report on the status of women two years ago, Harvard said the continued existence of Radcliffe as an undergraduate school confused students and alumni.

26.   In its last piece of business, delegates guaranteed the continued existence of NCAA-sponsored championships in Olympic sports.

27.   It mainly exists in parts of Africa and Asia now, though its continued existence affects other countries, officials said.

28.   Modern ways may be coming, but spice traders hope the business is specialized enough to require their continued existence.

29.   The California condor, the bald eagle and the gray wolf almost certainly owe their continued existence to the act.

30.   The continued existence of the Lotus Fund is in doubt.