30 CFR § 779.21
Soil resources information
July 29, 2020
(a) The applicant shall provide adequate soil survey information of the permit area consisting of the following:
(1) A map delineating different soils;
(2) Soil identification;
(3) Soil description; and
(4) Present and potential productivity of existing soils.
(b) Where the applicant proposes to use selected overburden materials as a supplement or substitute for topsoil, the application shall provide results of the analyses, trials, and tests required under 30 CFR 816.22.
[44 FR 15354, Mar. 13, 1979, as amended at 81 FR 93327, Dec. 20, 2016; 82 FR 54948, Nov. 17, 2017]