2018-10-25_PERMIT FILE - M2018054 (2)

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✓ Animal -based organic nitrogen sources (usually high in nitrogen) ✓ And 'or well, cured feedlot/barnyard manure. It would be applied at the rate of .4 to.5 tons per acre, prior to seedbed preparation. (Page 202, Reclaiming urine soils and overburden in the western United States, R. D. Williams and G. E. Schuman, Editors, the Soil Conservation Society of America, 1987) ✓ It should be noted that the application of manure has been shown to reduce soil erosion as well as provide needed nutrients to the soil. (Runoff and Soil Loss as Affected by the Application ofManiire, J. E. Gilley, and LMRisse, University of Nebraska Lincoln, Biological Systems Engineering; Paper and Publications, Nov., 2000) ➢ The actual type of organic fertilizer used will depend on the results of the soils analysis, and the availability and cost of these products. ➢ Once the soil amendments are added, the site will be disked and harrowed to produce a firm seedbed. ➢ Sources of plant growth material may not be available locally. However, if there is an opportunity to import material from the construction site, SEMA will notify the DRMS and get DRMS direction as to what information the DRMS requires in order to authorize SEMA to import plant growth material to the proposed borrow site. Exhibit C — Mining Plan (Rule 6.3.3): 1) Under section (b), the applicant estimates approximately 1,129 cubic yards of topsoil will be salvageable from Unit 7. However, the Division estimates approximately 3,388 cubic yards ol'topsoil will be salvageable from this unit, given its size of'1.4 acres and proposed salvage depth of 18 inches. Please explain and. -'or correct discrepancy. Response: We did make a mistake in our calculations. There are 4,840 square yards in one acre. 4840 sq. yards. X .5 yards (18") deep of soil equals 2,420 cubic yards in 1.0 acres. 2,420 cyds. X 1.4 acres = 3,388 cyds of topsoil, We have revised the application pages to reflect this correction. 2) Under Section (b), the applicant estimates approximately 1,022 cubic yards of topsoil will be salvageable from Unit 106. However, the Division estimates approximately 3,065 cubic yards of topsoil will be salvageable from this unit, given its size of 3.8 acres and proposed salvage depth of 6 inches. Please explain and-br correct this discrepancy. Response: There are 4,840 sq. yds. in one acre. 4,840 sq. yds. X .1667 yards (6") deep of soil equals 806.8 cyds. 806.8 cyds. X 3.8 acres, equals 3,065.9 cyds. of topsoil. We have revised the application pages to reflect this correction. 3) Under section (b), the applicant estimates a total of 7,251 cubic yards of topsoil will be required to replace 6 inches across 26.95 acres. However, the Division estimates a total