Section 779.21 - Soil resources information(a) The applicant shall provide adequate soil survey information of the permit area consisting of the following:(1) A map delineating different soils;(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 For a document temporarily suspending §779.21 in part, see 45 FR 51548, Aug. 4, 1980.