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ARCADIS <br />potential effects (APE) of the proposed project. Any discovered cultural <br />resources were to be evaluated for eligibility to the NRHP under the Criteria for <br />Eligibility (36 CFR 60.4 a-d). NRHP eligibility is evaluated in terms of the <br />integrity of the resource and: (a) its association with significant events or <br />patterns in history or prehistory; (b) its association with the specific <br />contributions of individuals significant in our past; (c) its engineering, artistic, or <br />architectural values; or (d) its information potential for important research <br />questions in history or prehistory. <br />Prehistoric resources are most often evaluated under Criterion d for their <br />potential to yield information important in prehistory. Significant information <br />potential in a prehistoric site requires that the site contain intact cultural <br />deposts or discrete activity areas that can be securely associated with a <br />temporal period or discrete cultural group. The potential for intact deposits or <br />for cultural or temporal associations may be inferred from surface evidence of <br />cultural features or undistufied Holocene deposits and the presence of <br />temporally or culturally diagnostic artifacts. Historic resources may be <br />evaluated under any of the Criteria. However, in the absence of structural <br />features or documented association with significant historic events or the <br />important contributions of persons significant in history, historical resources <br />more than 50 years old are evaluated under essentially the same criteria as <br />prehistoric resources. <br />Based on information available from files searches and previous research . <br />experience in the area, ARCADIS anticipated that prehistoric and historic <br />cultural resources would be sparse in the project area. It was expected that <br />isolated prehistoric or historic artifacts would be found in the project area, and <br />that several small prehistoric artifact scatters were likely to be found in the <br />interior areas of the park. It was also expected that prehistoric sites with <br />artifacts and features might be found near project elements that were near the <br />edges of canyons or near reliable sources of surface water. <br />Methods <br />' The cultural resource inventory of the proposed core holes and access <br />corridors was completed by intensive pedestrian survey. All but three of the <br />center stakes for the core holes were found. At these locations, approximately <br />1 acre (generally a 65-by-65 meter block or a 35-meter radius) centered on the <br />stake was surveyed by parallel pedestrian transects at 10- to 12-meter <br /> <br />Western Fuels-Colorado, LLC <br />Third Park Prospective Coal <br />Resource Area <br />Exploratory Cores <br />Class III Cultural Resource <br />Inventory <br />coaonea-wenem F~eizam wrn survey Rp_q-iaor,.aoc 7 <br />