Intermittent mining may be conducted provided that the possibility of intermittent cessation of operations is addressed in an operator's reclamation permit, no environmental pollution or erosion of sediments is occurring, and financial assurance for reclamation pursuant to s. NR 135.40 is maintained covering all remaining portions of the site that have been affected by nonmetallic mining and that have not been reclaimed.
Wis. Admin. Code Department of Natural Resources NR 135.14