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to survive one year. <br /> Grass seed will be a Northrup Ring Seed Company mix. Seed will <br /> be drilled. <br /> Common Name PLS/Acre <br /> Champ Big Bluestem 2 <br /> Little Bluestem 1 <br /> Side Oats Grama 1. 5 <br /> Buffalo Grass 2 <br /> Western Wheat Grass 5 <br /> Slender Wheat Grass 5 <br /> White Clover 1 <br /> TOTAL PLS/Acre 17. 5 <br /> Reseeding will be done in spring or fall. <br /> A portion of the gravel haul road north of the crossing of <br /> Boulder Creek will not be reseeded. It will remain an access <br /> road for the recreation area when operations are completed. <br /> Air Quality <br /> Existing air quality at the site is generally good and represents <br /> typical background levels of pollutants for a rural area. <br /> Dust and suspended particulate concentrations in air at the site <br /> are occasionally high due to wind-raised dust from nearby roads , <br /> agricultural activity, or natural dust sources. The air quality <br /> impact of the mining, processing and reclamation project will <br /> be mitigated by the following factors: <br /> - Phased operations, so that only a portion of the site <br /> will be subject to activity at any one time; <br /> - Pollution control measures, including <br /> ' E-4 <br /> I <br />