The surface configuration achieved by backfilling and grading of mined areas so that the reclaimed area, including any terracing or access roads, closely resembles the general surface configuration of the land prior to strip mining and blends into and complements the drainage pattern of the surrounding terrain.
APPROXIMATE ORIGINAL CONTOUR
Meaning of APPROXIMATE ORIGINAL CONTOUR in English
Environmental engineering English vocabulary. Английский словарь экологического инжиниринга. 2012