EXAMPLES FROM THE WEB FOR LEVEL LINE
Also, the level line on which any work stands, as the foot of a pillar.
Level line mark for cannon, as point-blank, equal to 800 yards.
It dipped, and it rose, and then it darted on a level line toward the south.
A pale, level line of it cut across the scarp of the Big Hill.
XXXV., 145 and we must fill up the intervals between the semicircle so as to obtain a level line of support.
From where we stood it was twelve miles across to the opposite walls—a level line of mesa on the Utah side.
There were fourteen miles of level line, the remainder being inclined planes, where horses did the most work.
North of us was a plain of unbroken snow, extending to a level line on the horizon, where it met the dark violet sky.
Beginning from his bench-mark at the foot of the mountain, Blake carried the level line slantingly up the ridge side.
It then runs with more moderate gradients and about a mile and a half of level line to Totness.