1992—Subsec. (c). Pub. L. 102–486, § 2513(a), amended subsec. (c) generally. Prior to amendment, subsec. (c) read as follows: “If the regulatory authority finds that the probable total annual production at all locations of any coal surface mining operator will not exceed 300,000 tons, the determination of probable hydrologic consequences required by subsection (b)(11) of this section and the statement of the result of test borings or core samplings required by subsection (b)(15) of this section shall, upon the written request of the operator be performed by a qualified public or private laboratory designated by the regulatory authority and the cost of the preparation of such determination and statement shall be assumed by the regulatory authority.”

Subsec. (h). Pub. L. 102–486, § 2513(b), added subsec. (h).

1990—Subsec. (c). Pub. L. 101–508 substituted “300,000” for “100,000”.

Amendment by Pub. L. 101–508, effective Oct. 1, 1991, see section 6014 of Pub. L. 101–508 set out as a note under section 1231 of this title.

Pub. L. 98–146, title I, § 115, Nov. 4, 1983, 97 Stat. 938, provided that: “Notwithstanding section 507(b)(14) of the Surface Mining Control and Reclamation Act of 1977 (Public Law 95–87) [subsec. (b)(14) of this section], cross-sections, maps or plans of land to be affected by an application for a surface mining and reclamation permit shall be prepared by or under the direction of a qualified registered professional engineer or geologist, or qualified registered professional land surveyor in any State which authorizes land surveyors to prepare and certify such maps or plans.”