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• The present investigation is intended to verify certain aspects of the previous <br />work (Amuedo and Ivey, Inc. 1994) and to make a comparative photogeologic and field <br />review of the landslide areas that aze mapped on Exhibit 6-1 (SCC,1995). Dr. James A. <br />Pendleton, DMG, requested this field review and estimated that it would require one to <br />three days to complete. Subsequently, SCC retained Amuedo and Ivey, Inc., hereafter <br />referred to as AI, to make the investigation. <br />1.03 AI Qualifications <br />AI has worked on a number of coal projects, and other mining projects that <br />involved a consideration of ground stability. The writer has taken an active part in most <br />ofthese projects. Most ofthis work has included photogeologic mapping as the first <br />phase of field geologic mapping on most of the projects. Over a period of more than 45 <br />• years AI has found that certain processes of mass wasting such as landslides, slumps, soil <br />creep, and other natural and man-made conditions usually are most clearly mapped by <br />photogeologic techniques and subsequent field work. This has been demonstrated on both <br />domestic and foreign projects. These projects have included detail and regional mapping, <br />core drilling and sample logging, hazard identification and mitigation, estimating reserves <br />and various other aspects of geology. <br />A good example of an engineering geology investigation in the Routt County <br />area is a report (AI, 1992) made for Peabody Coal Company (now Seneca Coal <br />Company) for its Seneca II-W Mine. The report was prepared to address the areal extent <br />of known unstable ground and its relationship to the placement in 005 Gulch of Haul <br />Road G and Sedimentation Pond 005. This report and subsequent construction of the road <br />i1 <br />U <br />