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Coulson Excavation Company Inc. -Stroh Gravel Pit <br />Exhibit E -Reclamation Plan <br />content of the soil will be tested just prior to compaction of the first lift. ASTM Method D-4643 <br />will be used to determine field moisture content. It is expected from earlier field moisture content <br />measurements that field moisture conditions are 3 to 4 % wetter than optimum. The lift will be <br />allowed to dry to the point of optimal moisture before compaction will begin. The field inspector <br />will calculate the drying rate as the day progresses and measure field moisture content. Water <br />will be added or lifts will be allowed to dry as needed to maintain optimal moisture content <br />throughout the compaction process. The volume of water needed to raise the moisture content by <br />1 % has been calculated to be about 7,546 gallons for two acres. <br />Topsoil Replacement <br />Approximately 51,853 yd3 of topsoil will be replaced along the perimeters of the ponds at a <br />maximum depth of approximately 2 ft. After all topsoil has been re-spread, the land will be <br />seeded with a native seed mix as described below. <br />Seeding and Fertilizing <br />Currently, irrigated hayfields aze grazed during the winter months. Dominant plant species <br />include a mixture of both smooth brome (Bromopsis inermis) and orchazdgrass (Dactylis <br />glomerata). Hayfields aze imgated three times per yeaz in the spring, summer and fall, and hay <br />is cut in June. <br />At present, the pasture is grazed all year around. Cover in the pasture is sparse all year as a result <br />of the continuous grazing by approximately 100 head of cattle. Dominant plant species include <br />red fescue (Festuca rubra) and intermediate wheatgrass (Thinopyrum intermedium). <br />Approximately 63 acres of the south zone will be reclaimed to ponds and the remaining 43 acres <br />will be re-seeded. The recommended seeding method is by drill and seeding rates assume this <br />method. The species composition of the seed mixture recommended for reclamation is shown in <br />Table 2 below. <br />Table 2. <br />Species (Variety) Rate -pure live seed Native/ W/C Cost <br /> (pls) Introduced Season pls/ac <br /> Ibs/ac <br />Thickspike wheatgrass (Critana) 8.0 to 10.0 Native Cool $11.70 <br />Sideoats grama (Vaughn) 5.0 to 7.0 Native Warm $7.25 <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 pls/ac will be used. <br />Topsoil should be disked prior to seeding. The estimated cost of disking is $60 to $80/ac. It is <br />