1.   He was accompanied for short stretches of his route by National Trust wardens.

2.   Amtrak has invested in Acela trains that can run at high speed only for a short stretch from Boston to New York because of problems with the corridor.

3.   At that point a short stretch of blacktop along the river joins Rio Verde Road north of Rio Verde.

4.   A short stretch is paved.

5.   Buchanan said the fences, along a short stretch of the border, were deterring illegal immigrants.

6.   But building high-speed rail, even on relatively short stretches like Boston-to-New York, will be neither cheap nor easy.

7.   But the bitter squabbling resumed by the time their helicopters had traversed the short stretch of desert back into Israeli territory.

8.   Gray agrees that steroid use is prevalent among actors, but only for short stretches.

9.   Huge rocks and boulders are broken by short stretches of coarse gravel.

10.   In about five years it might be able to read short stretches of DNA, to search for particular genetic signposts.