2020-02-07_REVISION - M1977211 (15)

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CMIC CONTINENTAL MATERIALS CORPORATION irrigation, soil amendments, or fertilizer. Revegetation throughout the mine site will differ depending on surface ownership, elevation, and availability of water. The revegetation plan has not changed from the current plan. The western portion of the mine site is on National Forest System (NFS) lands. The 2001 EA sought re-establishment of a Douglas Fir-Ponderosa pine forest on 2:1 slopes on this parcel, and these coniferous species will be planted on slopes above 7450'. Prior reclamation plans included a pinyon juniper revegetation plan between 7450' and 7250' on private surface. As an expansion of their prior plans, the applicant has identified a mixed shrub community of Gambel's Oak and Mountain Mahogany from approximately 7250'to the base of the property. The acreages associated with these vegetation types are summarized in Table E-1. Table E-1 Revegetation Summary Vegetation Type Area (ac) Douglas Fir-Ponderosa Pine 32.18 Pinyon-Juniper 37.52 Gambel's Oak-Mt. Mahogany 69.40 Total 139.10 Trees in the higher elevations (above 7450')will be planted on the graded slopes to provide visual diversity at a rate of 43 trees per acre, with the anticipation that there will be a 70% survival rate of 30 trees per acre. According to the Pikeview Quarry EA, the dominate coniferous forest tree species is Douglas fir, with ponderosa pine, one-seeded juniper and pinyon pine as sub- dominates. We therefore propose a mix of Douglas fir and ponderosa pine in equal amounts in the area which was the "Coniferous Forest" as shown in the EA. The associated seed mix is compiled in Table E-2. Downgradient, between 7450' and 7250', a pinyon juniper community will be established to mimic the tree pattern on the south facing slopes above the disturbed areas. The number of planted trees would vary from 60 trees/acre to 30 trees/acre between 7450' and 7250', to achieve a 20% cover assuming a 70% survival rate. In this zone, Douglas fir tublings, Ponderosa pine tublings, One-seeded junipers tublings, and Gambel's oak tublings will each be planted at a rate of 12 trees/shrubs per acre with a greater density at higher elevations and a lower density at the lower elevations. The associated seed mix is compiled in Table E-3. The Gambel's Oak-Mountain Mahogany community near the base of the property will be planted with 336 oak or mahogany plugs/acre, supplemented by other woody species including soapweed yucca (Yucca glauca), Wood's rose (Rosa woodsii), Cliff spirea (Holodiscus dumosus) at a rate Pikeview Quarry Amendment 4 E-5