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<br /> - <br />Table 8. (Cont.) <br /> MAP TYPE OF MITIGATION <br />COUNTY NO. COMMUNITY/AREA LANDSLIDE FACII ITrnS AT RISK ACTIVITY <br /> 44 Aspen Mt. Translational South ~ost parts of Mapped and <br /> landslide and debris Aspen Ski area instrumented. <br /> flows in natural Monitored during <br /> slope-forming snowmelt-runoff <br /> materials and old season and after <br /> mine dumps. heavy summer <br /> precipitation. <br />Rio Blanco 45 Devil's Hole Gulch Landslides, debris Countl roads. oil well Reconnaissance <br /> slides, stream pads a ld oil-field facilities, mapping and hazard <br /> scour/erosion electri :al transmission lines assessment by CGS. <br /> Road abandoned <br /> by Moffat County. <br />Routt 46 Oak Creek City Landslide Reser roir overtopping No activity. <br /> Reservoir dange to community <br /> 47 Dunkley Pass Landslides Count road No activity. <br />San Miguel 48 Telluride and San Miguel Debris flows ResidE nces, streets, water New debris-flow <br /> River corridor west to supply and potential incident in April 1987, <br /> P1acerville develo Dment lands affecting airport and <br /> gravel operation. <br /> Preliminary investiga- <br /> tion of this event <br /> completed by CGS. <br />Summit 49 Green Mountain Rotational land- Entire community of No activity. <br /> Reservoir slide/slope-failure Heene v and downstream <br /> complex (currently comm mities on the Blue <br /> showing some River <br /> movement. Could <br /> probably be affected <br /> by rapid drawdown <br /> of reservoir) <br /> Dowds J nction <br /> CASE STUDY NUMBER 1 <br />THREE CASE STUDIES OF ENTIALLY CATASTROPHIC <br />LANDSLlDING IN COLORADO LANDSLIDES <br />Three case studies of Iandsliding are presented in this (Dowds Junction. <br />plan. They were selected to depict a wide range of Eagle County. Colorado) <br />potential consequences, probability of occurrence, and DowdsJUl clion is located in Eagle County, Colorado, at <br />amenability to mitigation and follow-up measures. Sum- the" "on of u.s. Highways 6 and 24 with Interstate <br />maries are presented in this chapter with the detailed Highway 0-70) (FIgure 18). The landslide complex at <br />studies in Appendix 5. Dowds J"1 tction includes four distinct landslide areas: <br />44 <br />