She had been born about a million years too soon, or at least on the wrong side of the crust.

Been different if he was one of your upper crust.

"But wouldn't it have had to be at the bottom of the crust?"

Something that would put him near the belly of the Earth's crust.

This article is about the composition of the Earth's crust.

It is also the deepest point of the earth's crust.

Yet these people were quite similar to types of the outer crust.

As he passed over that section of the crust, it seemed strangely hot.

We had above us a league and a half of terrestrial crust.

I chewed very hard and fast on a piece of crust.