Recent deep excavations for municipal facilities caused pronounced settling in one corner, threatening the integrity of the building.

Then Sandecker turned and pointed out a deep excavation a few hundred meters away.

We have deep excavations, one of them under one corner of the pavilion.

The risk that it might explode without warning has often created difficulties when deep excavations need to be performed.

So far no deep excavations have been made.

After deep excavations rigid coral ceilings were discovered, and this was included in the final design.

Instability of the surface required deep excavation of the foundations.

The group of officers stood at the bottom of a deep excavation.

"I chose poems that don't require deep excavation to be understood," he said.

An area of more than ten acres was a deep excavation.