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the project area and were anticipated on the tops and upper slopes of the ridges away from drainages. Historic homestead remains were also anticipated along drainages, particularly at the mouths of narrow draws along the base of the uplifts that border Twentymile Park. Historic isolates were also anticipated, especially in the broad, open rolling terrain of Twentymile Park. Isolated finds were expected to outnumber sites. Roughly equal numbers of prehistoric and historic resources were expected during this investigation. FIELD METHODS Two survey methods were employed in the conduct of this project. Block areas around the proposed core holes were inventoried with parallel pedestrian transects spaced approximately 15-20 meters apart. The proposed access roads to the core hole locations and the seismic lines were inventoried with one zig-zag pedestrian transect covering 15 meters (50 feet) on each side of the staked centerline for a total width of 30 meters (100 feet). Particular attention was paid to areas ground disturbance and where subsurface deposits were exposed such as cattle trails, drainage cutbanks, roads, and rodent burrows. When cultural resources are encountered, the area around them is intensively examined until all manifestations of the resource have been identified. Five or more artifacts within 30 meters of each other,. or one or more artifacts in association with one or more features is defined as a site. Four artifacts or less within 30 meters of each other is defined as an isolated find. The appropriate forms are filled out, and in the case of sites a sketch map and overview photographs are taken of the resource. All cultural resources are plotted on the appropriate USGS 7.5' Quadrangle. In the event that an eligible or potentially eligible site was located within the APE of the proposed activity, the location of the planned activity was moved or its alignment changed so as to avoid the resource. The location or alignment of the proposed activity was moved away from the resource a distance and in a d'uection deemed appropriate by the project archaeologist to protect the resource from impacts. The new location or alignment was then surveyed to insure that no additional cultural resources were present. All maps, field notes, and photographic negatives are on file at the MAC office in Eagle, Colorado. Only diagnostic artifacts were collected during this investigation to determine temporal or cultural affiliation. Any collected artifacts from private land will be returned to the landowner or curated at the University of Colorado Museum in Boulder at their request. All artifacts collected from public lands will also be curated at the University of Colorado Museum. RESULTS AND RECOMMENDATIONS