Indeed the land, in this part of the country, was one forest of vast extent.

The museum has 145 galleries, but given the vast extent of the collections only a small percentage is ever on display.

Despite its vast extent, the collective mass of the Kuiper belt is relatively low.

The hall was brilliantly lighted, though from its vast extent the stage looked somewhat dim.

If these things operate across vast extents of interstellar space, they would have to get energy from somewhere.

They came out of the trees and before them lay the vast extent of grassland.

But its empirical existence and vast extent are obvious.

Communications and transportation were especially problematic given the vast extent of the Empire.

We know that the English have given to their vast extent of coal-mines a very significant name.

He had literally never before seen what looked like habitable territory of such vast extent, with no houses on it.