The western river ends in a flat marshy lake, the southeastern one at a falls, six-seven dragon lengths high.

He knew, however, when F'nor, the brown rider who was coincidentally his half brother, took the customary position on his left, a dragon length to the rear.

They were only several dragon lengths from the most seaward of the great crags.

Surely it must be several dragon lengths; queen dragons 1 It must be the biggest, oldest tree ever grown on Pern.

"They'd only to walk a few dragon lengths from the weyrs and pick what they needed."

Surely it must be several dragon lengths; queen dragons.

Sometimes the little queen sat on her shoulder for a few dragon lengths, chirruping sweetly.

There seemed to be hundreds of them on the beach, above the high-tide mark, about twenty dragon lengths from him.

Window slits let in barely enough light to make out a bulky object, half a dragon length in size, which appeared to be covered.

She looked up the side of the bluff, rather daunted by the fact that she'd fallen a dragon length or more.