11.   The Smoky Mountains research should bring some valuable new clues to what is going on.

12.   The wire is also a long shot, but Cunliffe said it remains a valuable clue for several reasons.

13.   Valuable clues were plentiful.

14.   While these talks are necessary and can give valuable clues to your quest, the interaction fails to convey much sense of time or place.

15.   Archaeologists and historians are plotting to save shipwrecks dotting the ocean floor from commercial divers they say are destroying valuable clues to the past.

16.   The nomad informers gave detailed accounts of the clothes the kidnappers are wearing, a valuable clue to their origin, said the official.

17.   The plane was also without another piece of equipment investigators said might have provided valuable clues -- a flight data recorder.

18.   Wang said that a secret exploration carried out early this month, however, had obtained valuable clues, although he did not elaborate.

19.   Maralit said an examination of the bomb materials would yield valuable clues.

20.   Meanwhile, APP quoting interior minister Naseerullah Babar said the Islamabad police had found valuable clues at the bomb site.