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r i iii iiiiiiiiniu iii 999 Post OtBCe BOx 471 . Boultler. Coorado 80306 Land Use Department Courthouse Annex 2045 13th Street • 13th & Spruce Streets • Boulder. Colorado 80302. (303) 441-3930 June 02, 1999 RECEIVEC~ Neil C. & Arlis M. Sprague 520 South County Road 31 JUN 0 7 1999 Berthoud, CO 80513 ;~hston of Mitterals & GeoW9Y Re: Docket SU-9'9-04: SPRAGUE QUARRY SU/SSDP Dear Applicants: On May 26. 1999, [he above-referenced docket was reviewed at our regular docket review staff meeting by the following County staffs: land Use, Transportation, Parks and Open Space, and County Attorney. This letter is to inform you of the issues raised at that meeting. Enclosed are copies of referrsil responses received to date. Please address those concerns mentioned in the responses, as well as the issues listed below: SUMMARY OF RESPONSES County Parks and Open Spacu - Indicate that the proposal ma}~ allow the disturbances outside the quarry boundaries to persist without adequate reclamation, would open up the remainder of the property to mining (the western portion of which is located within the Steamboat Mountain Natural Landmark. The proposal cannot be properly reviewed without an adequate reclamation plan. The requirements of the County Land Use Code mandate a wildlife impact report due to the Natural Landmark designation on the property. Comments regarding reclamation: Areas that will not be reclaimed to a final state within a growing season should be planted with a cover crop to reduce erosion and weed infestation; should incorporate a "rolling reclamation" method to ensure that only a small portion of the site is exposed and disturbed at any one time; weed management should be on-goling; topsoils should be segregated; seed mix should include native plantings; final reclamation slopes should not exceed 3:1 unless this would necessitate the disturbance of areas with existing vegetation cover; should indicate the standards for monitoring reclamation, what will constitute successful reclamation, at what point failed sites will be reclaimed, and provision of a letter of credit unless already covered by the State Division of Minerals and Geology. County Long Range Planning Staff- Indicate that the site is in the Natural Landmark Buffer, and that the materials submitted make it difficult to determine if or how mining activities would impact the landmark, neighbors, and any environmental features of the site. More information about the phasing of mining; possible natural hazards, impact to water quality, and revegetatioln are needed [o fully evaluate the proposal. The applicants should submit a Jana L. Mendel County Commissioner Ronalo K Stewart Counry Commissioner PaW Danish Counry Commissioner