Wisconsin Statutes Environmental Regulation (Ch. 280 to 299) § 293.61. Determination of abandonment of mining

(a) If the cessation of mining is due either to labor strikes or to such unforeseen developments as adverse market conditions, as determined by the department;

(b) If the cessation of mining does not continue beyond the time period specified by the department. The time limit specified by the department may not exceed 5 years for a mining operation for which a permit is issued under s. 293.49 on or after May 19, 1984. The time limit specified by the department may not exceed 10 years for a mining operation for which a permit is issued under s. 293.49 before May 19, 1984;

(c) If the site is maintained in an environmentally stable manner, as determined by the department, during the cessation of mining; and

(d) If the reclamation of the site continues according to the reclamation plan during the cessation of mining to the extent possible.