1.   If it continues, the pond will fill to the point that major excavation will be needed.

2.   Soon a major excavation was under way.

3.   Also unclear is whether major excavations would be undertaken at the suspected mass graves.

4.   If the government is doing what it can to pull in the foreign researchers with the resources to undertake major excavations, other factors are pushing them here.

5.   Over the next three years, his team completed a major excavation and compiled a large amount of data about life in Berenice in the three centuries before Christ.

6.   Searchers were waiting for the arrival of heavy cranes to go ahead with more major excavations.

7.   There have been no major excavations since they arrived Monday and none are expected until May.

8.   There have been no major excavations since they arrived in the area Monday, and none are expected until May.

9.   Though several bodies have been found at some of the sites, no major excavation work has been undertaken.

10.   Though several bodies have been found at some of the sites, no major excavation work has yet been undertaken.