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<br /> County Community/Area Type of Slide Facilities at Risk Activity <br /> Gilpin Junction slide on Clear Large rock slide Relatively small movement Q <br /> 0 <br /> {and Clear Creek (Located at along metamorphic would cover both highways N <br /> Creek) junction of US Highway 6 foliation planes. with slide materials and 00 <br /> and Colorado 119) Intermittent backwater. Possible flood c:.Jl <br /> movement durin9 crest downstream if slide 00 <br /> last ten years. dam fails. <br /> Grand Amtrak slide Lands 1 ide Railroad tracks (and train) <br /> Gunnison East Muddy Creek Earthflow and slope State Highway 133, Paonia Joint co-op pro- <br /> (starting about 0.6 failure complex. Reservoir and downstream ject between CGS <br /> mile above the Paonia Currently showing communities in Gunnison CDOH and Bu. Rec. <br /> Reservoir) considerable move- and Delta Counties. to monitor and <br /> ment study slide. <br /> Drilling project <br /> and technical <br /> report due in <br /> 1987. Ongoing <br />'-J EDM and instru- <br />w <br /> ment monitoring. <br /> Marble and vicinity Debri s flows Most of town and facilities Detailed hazard <br /> assessment and <br /> mapping done in <br /> 1972 by CGS. <br /> McClures Pass Several primarily Severe damage and closure Mapping of slide <br /> (Slides, located on translational slides of Colorado Highway 133, areas to be done <br /> west side of pass as that periodically and extremely expensive and by CGS. <br /> it descends from dislocate the road- shortlived reconstruction. <br /> summit along Lee Creek, way and require <br /> Gunnison County) closure and/or <br /> difficult detours <br /> Mt, Daly Rock slides and Town of Marble and water in- <br /> (Landslides adjacent translational slides take facility. Could con- <br /> I to Carbonate Creek on sedimentary rock tribute to very large debris <br /> north of Marble in bedding planes flow or create a large flood <br /> Gunnison County) crest from a form-and-fail <br /> debris dam. Blockage of <br /> Crystal River is possible as <br /> a secondary effect. <br />