25 Pa. Code § 77.2
This chapter specifies rules for noncoal surface mining activities and the surface effects of noncoal underground mining.
The provisions of this § 77.2 adopted August 20, 1971, effective August 21, 1971, 1 Pa.B. 1726; reserved December 19, 1980, effective December 20, 1980, 10 Pa.B. 4789; noted May 22, 1981, 11 Pa.B. 1801; republished June 5, 1981, effective August 21, 1971, 11 Pa.B. 1927; reserved July 30, 1982, effective July 31, 1982, 12 Pa.B. 2473; amended March 16, 1990, effective March 17, 1990, 20 Pa.B. 1643. Immediately preceding text appears at serial pages (62356) to (62357).