Even so, its very existence underscored the value of a careful survey.

Now he made a more careful survey of his surroundings.

He stared at it for a long while, then continued his careful survey.

A last careful survey of the room suggested nothing else that would be useful to him, and he made ready to leave.

Here, the man in black made a careful survey.

As far as he could tell from his careful survey, everything was in order.

He stood in the doorway, making a careful survey of the inside.

The round brown head turned to make a careful survey.

We had spotted it on our way in after making a careful survey of the little satellite from space.

He proved it by a careful survey that took him to the top floor and down again.