11.   An initial geological survey shows that the volcano is likely to remain active in the near future.

12.   It belonged to Aerodat, a company based in Mississauga, Ontario, that conducts aerial geological surveys.

13.   It said geological surveys have indicated promising oil and gas reserves in Beibu Bay, which the Vietnamese call the Tonkin Gulf.

14.   Now these once-secret devices are being used in the private sector for everything from geological surveys to digital mapping.

15.   The aircraft had been working for the Japan National Oil Company, which is conducting a geological survey.

16.   The Canadians, identified as pilot Michael Bradshaw and passengers David Lindsay, Brian King and Jim Battler, were conducting an aerial geological survey.

17.   The glacier retreat was documented on a recent Greenpeace expedition, which collated findings by U.S. geological survey scientists working on the site.

18.   The geological survey issued a tsunami warning for the Western Pacific.

19.   The missing aircraft had been working for the Japan National Oil Company, which is conducting a geological survey.

20.   In August last year an Iranian warship threatened to fire on an Azeri oil vessel conducting a geological survey in one of the disputed areas.