No additional excavation will be required.

Being underwater helps preserve the fossils better and the reservoir can be drained as needed if ever the need arises for additional excavations.

On this occasion, the tunnel was shortened by additional excavations on the Stuttgart side to give it a length of 680 metres as well.

That will cost about $55,000 in additional excavation and design costs.

An additional excavation occurred in 1999.

Between April 1985 and 1986, additional excavations were carried out.

An additional excavation was performed in 1962 by the National Park Service to a depth of 10.5 feet (3.2 m).

With urban expansion, additional excavations were conducted in the 1970s, late 1980s, and throughout the 1990s.

Scholars hope to find more evidence about the political nature of the chiefdom through additional excavations.

Construction was delayed to allow for additional excavation of the burial site.