The half of north and northeast of the rock mass being about 60m.

It was the sound of rock masses shifting about somewhere far within.

Dark rock masses loomed out of it, just meters ahead.

The program computes water pressure and seepage throughout the rock mass of interest.

I suppose the Earth does gain rock mass with time, due to meteors.

They floated a metal machine from the ship to the rock mass that blocked the great door of the building.

Suddenly, a rock mass soared past the shuttle off to starboard.

The distance between Sagan and the rock mass diminished rapidly.

After all, you had been planning a rock mass anyhow.

The concept of adjustment factors for the rock mass before and after excavation is very attractive.