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Conditions of Approval <br />for <br />Rio Blanco County Spring Creek Gravel Pit Free Use Permit COC-71890 <br />The access road, County Road 122, from Highway 64 will be treated with water and/or a dust <br />suppressant during construction and gravel extraction activities, as needed, to ensure there is <br />not a visible dust trail behind construction or haul vehicles. <br />2. The release of any chemical, oil, petroleum product, produced water, or sewage, etc, <br />(regardless of quantity) must be reported by the permit holder, to the Bureau of Land <br />Management - WRFO Hazardous Materials Coordinator at (970) 878-3800. <br />3. If erosion features such as riling, gullying, piping and mass wasting in the project area at <br />anytime in the future these erosion features will be addressed immediately after observation. <br />4. Locate culverts or drainage dips (water-breaks) in such a manner as to avoid discharge onto <br />unstable terrain such as headwalls or slumps. Provide adequate spacing of these drainage <br />features to avoid accumulation of water in ditches or road surfaces. Monitor culvert <br />installations to ensure proper placement and adequate armoring of inlets and outlets. Patrol <br />areas susceptible to road or watershed damage during periods of high runoff. <br />Keep road inlet and outlet ditches, catch-basins, and culverts free of obstructions, particularly <br />before and during spring runoff. Routine machine-cleaning of ditches should be kept to a <br />minimum during wet weather. Leave the disturbed area in a condition that provides drainage <br />with no additional maintenance. <br />6. Promptly re-contour and re-vegetate all areas of earthen disturbance with the seed mix in the <br />table below: <br />Native: Seed mix # 3: <br />Cultiv <br />ar Species Scientific Name Application Rate <br />. <br />. (Ibs PLS/acre) <br />Rosanna Western Wheatgrass Pascopyrum smithii 3 <br />Whitmar Bluebunch Wheatgrass Pseudoroegneria spicata ssp. 3 <br /> inermis <br />Critana Thickspike Wheatgrass Elymus lanceolatus ssp. 2.5 <br /> lanceolatus <br />Nezpar Indian Ricegrass Achnatherum hymenoides 3 <br /> Needle and Thread Hesperostipa comata ssp. 2 <br /> Grass comata <br />Timp Northern Sweetvetch Hedysarum boreale 2.5 <br /> Scarlet Globemallow Sphaeralcea coccinea 0.3 <br />7. The operator will be required to monitor the project area for the life of the project and <br />eradicate all noxious and invasive species which occur on site using materials and methods <br />approved in advance by the Authorized Officer <br />8. Revegetate the abandoned 0.4 mile of parallel roadbed to help reduce indirect habitat loss <br />associated with disruptive vehicle-related influences across these breeding bird habitats.