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7.10.1 Piceance Site A portion of the Piceance Site was previously surveyed for cultural resources. The survey yielded a number of prehistoric and historic sites, none of which was considered significant enough for nomination to the National Register of Historic Places (National Register) (BLM 1982). During 1996 and 1997, American Soda contracted with a qualified cultural resources consultant to conduct Class III surveys (pedestrian walkovers) to evaluate cultural resources effects prior to surface-disturbing activities related to the exploration phase and the experimental test phase of the project. The cultural resources surveys were conducted during June, July, and November 1996 and February and November 1997. Sites discovered were recorded and their boundaries delineated, and survey reports were prepared and submitted to the BLM (Grand River Institute 1996a, Grand River Institute 1996b, Grand River Institute 1997a, Grand River Institute 19976). Five previously recorded cultural sites were revisited and reevaluated during the 1996 cultural resources inventories. In addition, one prehistoric site, one historic site, and three isolated finds were newly recorded. Of the ten sites, one was evaluated as eligible for listing on the National Register, six were evaluated as not eligible, and three would need further investigation for determination of eligibility • (Grand River Institute 1996a). The locations of these cultural resources sites are shown in Figure 7-27. In 1998, in consultation with the BLM, American Soda designed a block survey of the majority of the Piceance Site, an area of approximately 3,750 acres (Steigers 1998, BLM 1998e). The 1998 Piceance Site cultural resources survey study area is shown in Figure 7-28. The survey provided 100 percent coverage of the survey area, but areas covered by the previous surveys were not reevaluated in 1998. The cultural resources survey was conducted during May and June 1998. Sites discovered were recorded and their boundaries delineated. The results of the 1998 cultural resources survey will be provided to the BLM upon completion. No fossil remains were identified during the Class III cultural resources surveys of the Piceance Site. 7.10.2 Pipeline Corridor In consultation with the BLM, it was determined that surveys conducted in 1994 along the pipeline corridor between the Greasewood Compressor Station and the Parachute Site would be adequate for the commercial mine plan (Steigers 1998, BLM 1998e). These surveys indicated limited occurrence of cultural resources along the • existing natural gas pipeline corridor, including one archaeological site and two isolated finds (Barrett 1994, CIG 1995). All three of these sites were located on Barnes Ridge, a prominent ridge running north into Piceance Creek. The archaeological American Soda, L.L.P. 7_45 Commercial Mine Plan August 18, 1998