Illinois Administrative Code
Title 62 - MINING
Part 1816 - PERMANENT PROGRAM PERFORMANCE STANDARDS - SURFACE MINING ACTIVITIES
Section 1816.113 - Revegetation: Timing

a) Disturbed areas shall be planted during the first normal period for favorable planting conditions after replacement of the plant-growth medium. The normal period for favorable planting is that planting time generally accepted locally for the type of plant materials selected.

b) When the approved reclamation plan includes the planting of trees and/or shrubs, the trees and/or shrubs shall be planted within 2 years after replacement of the plant-growth medium.