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6.4.5 Exhibit E -Reclamation Plan <br />Switchgrass (Nebraska-28) 4.0 to 6.0 Native Warm $5.00 <br />Alfalfa (Nomad) 3.0 to 5.0 Introduced NA $1.90 <br />TOTAL 20.0 to 28.0 $28.85 <br />Based on this seed mixture an application rate of approximately 20.0 to 28.0 <br />pls/ac will be used. Topsoil should be disked prior to seeding. It is <br />recommended that fertilizer be utilized for reclamation. A standard application of <br />a fertilizer will be used and applied at a rate of 250 Ibs/ac as shown in Table 5. <br />i aoie a. rertu¢er Appncanon <br />Fertilizer Standard Costs/Pound Cost/Acre Total Costs <br />rate based on a <br />Ibs/acre bulk rate of (for 64 ac) <br />$327.00/ton <br />Diammonium phosphate 250 $0.55 $137.50 $8,800.50 <br />(18-46-0) (46-53% <br />available P205with 18- <br />21% N) <br />Fertilizer will not be used near the edge of the pond, since the possibility of <br />nitrate contamination in the pond water exists. The total area to be seeded is <br />approximately 64 acres. The total area to be fertilized is approximately 64 acres. <br />Seeding and fertilizing will be completed after the overburden and topsoil. is <br />replaced, smoothed to conform to the existing topography and disked. Optimal <br />periods of seeding are in the fall (after November 1 st) or in the spring from late <br />March up to April 30th. Mulching will not be completed as the quality soils and <br />availability of water should facilitate the rapid establishment of perennial grasses. <br />Following revegetation, weed managemerit strategies will be implemented to <br />facilitate and achieve native grassland. Years 1 thru 5 following revegetation will <br />include an aggressive mowing program to prevent the growth and establishment <br />of weeds, specifically, the eight noxious weeds including: Canada thistle <br />(Cirsium arvense), Dalmation toadflax (Linaria dalmatica), diffuse knapweed <br />(Centaurea diffusa), leafy spurge (Euphorbia esula), musk thistle (Carduus <br />nutans), Russian knapweed (Centaurea repens), spotted knapweed (Centaurea <br />maculosa) and Yellow toadflax (Linaria vulgaris} as mandated by Colorado State <br />Law (35-5.5CRS1990, 1996). If needed, herbicide application will be applied as <br />needed to further control these weeds. Herbicides will also be used to control <br />saltecedar (Tamarix spp.) if it becomes established in the reclaimed area. Table <br />6 presents recommended herbicides, application rate, and time of application for <br />each of the 9 species. It may be necessary to replant treated areas. <br />File Pit 112 DMG Permit Application Rev 1.0 <br />Page 10 of 27 <br />