We were standing on the rim of a great white basin.
A few miles farther on, they came to a great natural basin in the pass, a wide, level bowl.
No, a great shallow basin larger than all these buildings.
We had reached the great basin lying between the maritime and lake regions.
It is the site where the two great basins of the East Coast meet.
There would have been a great basin of lava-of magma-deep down in the earth.
The passes leading out of this great basin are so few, the mountains steep and brittle.
A few men familiar with the proposed route to the Great Basin are to move out ahead and act as scouts.
He waved his arm to the west, where the morning haze still concealed the mountains on the far side of the great geological basin.
Nine thousand years ago the northern Great Basin, which is now desert, was probably a series of very large lakes.
