1.   His studies, spanning several decades, focused on the earliest English settlements in Massachusetts, where he directed the first explorations at Plymouth, and Virginia.

2.   Pennzoil last month released preliminary results from the first exploration well drilled on the concession, saying it had so far found only natural gas.

3.   A multinational consortium will start drilling its first exploration well in the Caspian Sea off Kazakstan in August, the consortium announced Friday.

4.   The state-run Vietnam Oil and Gas Oil Corp. signed its first foreign exploration contract that year, with an Indian company.

5.   The state-run Vietnam Oil and Gas Oil Corp. signed its first foreign exploration contract that year, with an Indian firm.

6.   The Vietnam work will be the first foreign exploration for Pertamina.