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!a. Describe to the best of your knowledge the physical, chemical, and mechanical <br />characteristics of the dredged or fill material. (such as rock or soil particle <br />' size and mineral content). Also, if fill material is brought in from outside pro- <br />ject site, describe location of its origin. Be as specific as possible. <br />' • The type of material that will be dredged is typical alluvial rock. The size of this <br />rock ranges from sandy soil up to boulders approximately 18" in diameter. 1 <br />{ <br />k~ <br />!' <br />1 <br />' ]. Describe methods to be used to minimize adverse water quality impacts. If actions <br />include constructing or installing settling ponds, dams, or other physical struc- <br />lures, attach plans, sketches, specifications, etc. as appropriate. <br />This oroiect will be started when the creek has reached its base flow. Most of the <br />material to be dredged will be dry. The equipment used in the dredging and construction <br />of the weirs will be able to move on dry land, thereby minimizing adverse water quality <br />impacts. <br />' 8. Reveoetation. If applicable, include revegetation plans for erosion control of <br />disturbed areas. <br />' • The mine is oneratina under a permit from the Colorado Mined Land Reclamation Division. <br />Very detailed reveRitation plans are outlined in our Dermit application. These <br />' reveRitation plans will apply to this proiect. At the end of the mines useful life, <br />all of the weirs will be removed in their entirety. <br />' 9. Project Schedule: <br />Beginning Date: Late AuAUSt, Early September, 1983 <br />' Completion Date: November, 1983 <br />t 10. Signature is hereby made for water quality certification for the proposed <br />activity (ies). I certify that I am familiar with the information contained <br />in this application, and that to the best of my knowledge and belief it is <br />true, complete and accurate. I further certify, that I possess the authority <br />to sign for and undertake the proposed activity (ies). <br />. -, <br />~~ ~- <br />TDate I ,Authorized Agent/App1`cant <br />1 <br />1 <br />PLEASE ALLOW SIX TO EIGHT WEEKS FOR PROCESSING <br />Rev. 3/82 <br /> <br />