2019-11-27_PERMIT FILE - M2019058 (6)

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E-14 Fertilization—As discussed in Item(d), above, no fertilization is planned as a component of the revegetation process. CSC anticipates that the nutrient value contained within the growth medium itself,in combination with mulching during the seeding activity,will be sufficient to re-establish a rangeland vegetation density generally consistent with the surrounding area. (iv) Revegetation—The revegetation process is discussed in detail in Item(d),above,with respect to the planned grasses and legumes to be introduced. CSC notes that neither trees nor shrubs are a component of the revegetation process. This is generally consistent with the pre-mining conditions. (v) ToasoilinQ—As elsewhere noted(specifically refer to Exhibit I: Soils Information),there is no "topsoil"per se,present within the Permit Area. CSC has determined,however,that there is a "growth medium" that is ubiquitously present across the extent of the Permit Area, and which exhibits a "root zone" on the order of approximately 8-inches in depth. Accordingly, CSC will pre-strip (salvage) this growth medium to a nominal depth of 12-inches at all locations of disturbance or "affected area", for either interim stockpile storage or immediate (concurrent) reclamation, as per the plan described in Item (d), above (see also Exhibit D: Mining Plan). For virtually all locations, it is anticipated that re-placement of the growth medium will occur to a nominal depth of 8- to 12-inches. Variability in re-placement depth may result from a number of factors,to include undulations in topography,inherent equipment operational limitations, and/or a specific intent to vary the depth to address localized conditions. Nonetheless, on average, the minimum depth is anticipated to range between B- and 12-inches for the re-placed growth medium. Keenesburg No. 2 Mine-112 Reclamation Operation—November 22, 2019