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SDCPION VIII ~ • S[AMARY FIImINGS AND ODNCLiISICNS Three archaeological sites, five isolated finds, one lithic source area and one highly probable site location have been recorded within the 88U acres of Colorado Westmoreland's initial area of undertaking for the west portal at the. Orchard Valley Mine. The area of uncle aki has been revised and significantly decreased in size so that none of these resources or potential resources currently appear to be threatened with iirpacts from the portal construction itself (Figures 4 and 6). As indicated in Table 4, sites SDT125 and 771 are thought to be insiynificant and not eligible for the National Register as they are currently understood. Sdi'771 was subjected to a test excavation program in 1986 and was found to be an insignificant prehistoric site (Baker 1986). The vicinity of SUI'771 does, however, still have a chance of producing additional and perhaps National Register eligible prehistoric resource(s) in association with a cluster of basalt boulder features which were possibly used as game blinds. It is reoamiended that inventory efforts along the ridge where SUP771 is located not be considered oarglete until such a time as an archaeologist monitors ground surface disturbances there. Current portal development plans apparently will not impact this area. The historic caul mine designated SDT125 was evaluated in previous reports (Bakes 1977; Hibbets et al. 1979). It is insignificant and requires no further consideration. • As reoamiended by Hibbets et al. (1979), SUT271 is believed to have been potentially eligible for the National Register due to its capacity to yield information it~orttant to the study of the prehistory of the North Fork Valley. S~rbstantial test excavations and emergency mitigation efforts were completed at this site during August of 1986 and are the subject of separate reports (baker 1966a and 1987). Evaluations are continuing as part of the preparation of that report but the sites eligibility for the National Register teas been considerably diminished as a result of the excavations cQCgleted there. These are reported on in an executive sumRary prepared in association with this report (Baker 1966a). The revised area of undertaking for this site (Figures 4 and 6) indicates that it will not be subject to impacts from development of the rew portal. The five isolated finds of prehistoric artifacts in the initial area of undertaking are considered to be insignificant and will not be ir[Qacted by the portal development. It has been suggested that an archaeological site could exist in the vicinity of 5i7f772. An archaeological monitor has been remrtnended w Oversee any future construction activity which might take place in the high benches around SI11'772. ~ A series of rock alcoves inr the exposed cliff Laces adjacent to SUP271 are suggested as probable locations of National Register eligible • prehistoric resources. A test excavation program was needed there as part of the lnvenrtor}~ effort of the initial area of undertaking. This has, however, been indefinitely postponed and the alcoves appear to be ao