Harry and Carter trudged along the narrow-gauge track, the beam of the flashlight showing the way ahead.

He set off up the narrow-gauge tracks at a half-run, the other members of his hijacking force trailing behind in single file.

He found the narrow-gauge tracks and began walking silently on the crossties.

Construction of narrow-gauge tracks began in April 1875.

Each section of track converted to dual-gauge costs the same as narrow-gauge track.

Morrison followed the other two to something that looked like a small old-fashioned train carriage on very narrow-gauge tracks.

They laid rails for branch lines and replaced narrow-gauge tracks with standard gauge.

The narrow-gauge track over there would be marginal for an object of that width.

The WP then replaced the narrow-gauge track with standard gauge.

The company decided to lay narrow-gauge track because it was cheaper than standard gauge construction.