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'~ III IIIIIIIIIIIIIIII LREP Landscape, Resource, Ecosystem Planning, Inc. 2635 Mapleton Ave., #77 • Boulder, CO 80304 (303) 447-1899 • FAX (303) 545-9415 December 6, 1994 Susan Collins Office of Archaeology and Historic Preservation 1300 Broadway Denver, CO 80203 Re: Dowe Flats Mining and Reclamation Project, Southdown, Inc. Colorado Mined Land Reclamation Board File No. M-93-041 Boulder County Permit No. SU-93-14 and V-93-8 Dear Susan, D CCFIVE© v~,,s~0n °J M~°td~ 11994 & G°D~09Y There was a meeting held to discuss this project on Tuesday, November 29, 1994. In attendance were yourself and Jim Greene, Compliance Archaeologist, representing the Office of Archaeology and Historic Preservation (OAHP), and William York-Feirn, Colorado Division of Minerals and Geology (DMG). Representing Southdown was Paul Banks, AGRA Earth and Environmental, Inc., Cazol Drake Mehls, Western Historical Studies, [nc., and myself. Southdown's representatives discussed the need for interim clearance by OAHP of Mined Land Reclamation Board permit conditions regarding this project in order for Southdown to begin limited haul road construction. This limited construction project includes one box culvert over each of the following irrigation ditches: Palmerton, Rough and Ready, and Supply; bridge piers and abutments in the Highland Ditch. Southdown wants to begin this limited construction project immediately while the water table is low and the ditches are dry during the winter months. We discussed that the actual grading and construction for the road bed on the haul road will not will begin until March or April of 1995. However, it is critical for this limited ditch crossing construction work to begin soon, or it will not be possible to begin haul road construction during the spring of 1995. The haul road needs to be constructed this coming spring, because John Lohr, Southdown's plant manager, made a commitment to his neighbors that he would not use local County roads for access for mine construction vehicles. This requires that the haul road be built as a private access to the property before any mining activity can begin. The four irrigation ditches which are to be crossed by the haul road were originally recorded during the fu•st historic resources inventory of the Dowe Flats project area, and mitigation was recommended at that time (Mehls, 1990). Subsequently this report was reviewed by OAHP and the ditches determined to be eligible for the National Register of Historic places (OAHP, 1993). Accordingly, Southdown has previously agreed to prepare historic documentation of the ditches to mitigate any adverse effect upon the ditches (SHB AGRA, 1993, page 53; Mehls et aL, 1994, pages 133 and 134). In the lack of specific direction by Boulder County or ,..,.,~.