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completed even though pit floors will be utilized for general operations. Wetlands areas need not <br />be seeded until the final phase of reclamation when the pit is allowed to fill back in with water. <br />7) The operator needs to commit to not exposing groundwater until an approved Substitute Water <br />Plan and /or gravel well permit is supplied to the Division. Any exposure of groundwater prior <br />to that time maybe considered a violation of the approved permit. <br />8) Based on site observations the surrounding area has knapweed, tamarisk and Russian olive. <br />Other noxious weeds may be present but the time of year makes a total survey difficult. Staff <br />requests that the operator acknowledge the need for aggressive treatment of these and all noxious <br />weeds from the first disturbance. Under current noxious weed guidelines, United will be <br />required to prevent the establishment of these species especially tamarisk and Russian olive <br />within the disturbance azea. <br />9) Please clarify what type of materials will be used to line the augmentation pond noted on the <br />maps. <br />] 0) Please advise staff of the projected last day of Publication and final date for public comment <br />submission for this application. <br />This review is a preliminary listing of issues based on an initial evaluation. Other issues may require <br />additional information and clarification prior to the calculation of any reclamation liability and final <br />decision. <br />If you need additional information, please contact me at the Division of Minerals and Geology, Grand <br />Junction Field Office, 101 South Third Street, Room 301, Grand Junction, Colorado 81501, telephone <br />no. 970-241-1117 <br />Sincerely, ~ <br />// Z~~~~dn~l <br />G. Russell Means <br />Environmental Protection Specialist <br />