reciprocal leveling

reciprocal leveling

[ri′sip·rə·kəl ′lev·ə·liŋ]
(civil engineering)
A variant of straight differential leveling applied to long distances in which levels are taken on two points, and the average of the two elevation differences is the true difference.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.