They may be used as part of the Center's programs for further excavation and study.

The formation is also a popular location for commercial excavations.

Dry summer weather is the best time for excavation and repairs.

The grinding continued, and by sunset the site was ready for excavation.

A third contract, for excavation of the west lock was awarded in 1803.

There are many more treasures within this tunnel, but they must wait for later excavation.

During the 1969 excavations, four areas within the site were designated for excavation.

The castle was closed to the public for excavations and reconstruction starting in 1997.

Habitats with trees having dead wood suitable for excavation is said to be important.

Since the site is relatively close to Baghdad, it was a popular target for illegal excavations.