Cultural Class I Report
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Exhibit M: Class I Cultural Report THIS PAGE INTENTIONALLY LEFT BLANK A Class I Cultural Resources Records Review for the Southeast Metro Natural Gas Project, Arapahoe and Denver Counties, Colorado Prepared for: Public Service Company of Colorado Prepared by: Cara Lonardo and Steve Swanson Summary: A review of cultural resource records for the Public Service Company of Colorado Southeast Metro Natural Gas Project identified seven historic properties within a mile of the project and no historic properties within the project area. EPG recommends a finding of no historic properties present for the project. Xcel Energy EPG Southeast Metro Natural Gas i July 2019 ABSTRACT Project Title: Southeast Metro Natural Gas Report Title: A Class I Cultural Resources Records Review for the Southeast Metro Natural Gas Project, Arapahoe and Denver Counties, Colorado Report Date: July 2019 Agencies: US Army Corps of Engineers (USACE), Colorado Department of Transportation (CDOT), Office of Archaeology and Historic Preservation (OAHP) Project Number: XCEL 0034 Project Sponsor: Public Service Company of Colorado Regulations: Section 106 of the National Historic Preservation Act Project The project consists of replacing approximately 5 miles of 20-inch Description: diameter steel natural gas transmission pipeline between an existing regulator station near the intersection of East Caley Avenue and South Troy Circle in the City of Centennial, Colorado, and an existing valve set, near South Yosemite Avenue and East Hampden Ave in the City and County of Denver. This section of pipeline is an integral portion of the larger pipeline system. This replacement section is part of an existing natural gas pipeline constructed in the 1950s and delivers natural gas between the same two project end points. Xcel Energy retained the services of Environmental Planning Group, LLC (EPG) to conduct a cultural records review as part of the submittal of a Section 408 application to the USACE. Location and The project area is in Section 34 of Township 4 South, Range 67 West; Jurisdiction: and Sections 3, 10, 11, 13, 14, and 24 of Township 5 South, Range 67 West (6th Principal Meridian), as depicted on the Fitzsimons, Parker, and Englewood, Colorado 7.5-minute U.S. Geological Survey topographic quadrangle. The proposed pipeline would traverse land that is managed or owned by the City and County of Denver, City of Aurora, unincorporated Arapahoe County, City of Greenwood Village, City of Centennial, Cherry Creek State Park, and the USACE, which has jurisdiction over real estate matters in Cherry Creek State Park. Approximately 36 percent of the project area is urbanized development. The remaining 64 percent of the project area is relatively undeveloped land within Cherry Creek State Park. Personnel and A Class I records review was conducted in June 2019, by EPG Dates of archaeologist Cara Lonardo. Steve Swanson served as senior reviewer Work: and project director. Public Service Company of Colorado EPG Southeast Metro Natural Gas ii July 2019 Results and The records review identified seven cultural resource surveys that Recommendations: intersect the project area, including the entirety of the undeveloped portions of the project area. A total of seven historic properties occur in the review area but do not intersect the project area. Two prehistoric artifact scatters may intersect the project area, but have been determined not eligible for listing on the NRHP and so are not historic properties. EPG recommends a finding of no historic properties present for the project. In the event that ground disturbing construction activities encounter archaeological remains, it is recommended that work in the area cease and the Section 106 lead and OAHP be consulted. Public Service Company of Colorado EPG Southeast Metro Natural Gas iii July 2019 TABLE OF CONTENTS Introduction ................................................................................................................................................................................. 1 Project Location ..................................................................................................................................................................... 1 Culture History ............................................................................................................................................................................ 1 Records Review .......................................................................................................................................................................... 9 Results and Recommendations ......................................................................................................................................... 14 References Cited ..................................................................................................................................................................... 15 LIST OF FIGURES Figure 1. Project Location. ...................................................................................................................................................... 2 Figure 2. Records Review Results. ..................................................................................................................................... 10 LIST OF TABLES Table 1. Cultural Surveys within One Mile of the Project Area. .............................................................................. 11 Table 2. Cultural Resources within One Mile of the Project Area. ......................................................................... 12 Public Service Company of Colorado EPG Southeast Metro Natural Gas iv July 2019 INTRODUCTION The project consists of replacing approximately 5 miles of 20-inch diameter steel natural gas transmission pipeline between an existing regulator station, (RS) F917 near the intersection of East Caley Avenue and South Troy Circle in the City of Centennial, and an existing valve set, near South Yosemite Avenue and East Hampden Ave in the City and County of Denver (project area). This section of pipeline is an integral portion of the larger pipeline system. This replacement section is part of an existing natural gas pipeline constructed in the 1950s and delivers natural gas between the same two project end points. The proposed pipeline would traverse land that is managed or owned by the City and County of Denver, City of Aurora, unincorporated Arapahoe County, City of Greenwood Village, City of Centennial, Cherry Creek State Park, and the US Army Corps of Engineers (USACE), which has jurisdiction over real estate matters in Cherry Creek State Park. Public Service Company of Colorado retained the services of Environmental Planning Group, LLC (EPG) to conduct a review of cultural resource records in support of the submittal of a Section 408 application to the USACE. Project Location The project area is in Section 34 of Township 4 South, Range 67 West; and Sections 3, 10, 11, 13, 14, and 24 of Township 5 South, Range 67 West (6th Principal Meridian), as depicted on the Fitzsimons, Parker, and Englewood, Colorado 7.5-minute U.S. Geological Survey topographic quadrangle (Figure 1). CULTURE HISTORY Human occupation of the region spans at least the last 12,000 years. The following narrative provides more detailed information for the prehistoric and historic periods described for central Colorado. Prehistoric Context The prehistory of the current project area begins near the end of the Pleistocene epoch. The series of cultural changes in the northern Colorado Plateau are classified into four general time frames or phases, each marked by a distinct lifeway. These phases are: Paleoindian (ca. 13,450 to 8,350 B.P. [Before the Present]). Era of hunting (and probably gathering) prior to the onset of hunting and gathering adapted to fully desert conditions. Archaic (ca. 8,350 to 2,350 B.P.). Era when small groups mostly depended on wild plants and animals. Formative (ca. 2,350 to 650 B.P.). Era of dependence on both horticulture and hunting and gathering and most commonly associated with the Fremont, Gateway, and Aspen traditions. Protohistoric (ca. 650 to ~140 B.P.). Era after the abandonment of agriculture and the appearance of hunting and gathering strategies practiced through historic times by Ute people in the region. Following is a brief summary of the archaeological and historical evidence of the groups that inhabited the region. Many descriptions of the archaeology and history of the region have appeared elsewhere, and should be consulted for a fine-grained and comprehensive description of each (A. D. Reed and Metcalf 1999); (Baker 1988), (Baker 1996); (Buckles 1971); (Cassells 1997); (Fiedel 1999); (Kelly and Todd 1988); (Leacock and Lurie 1971); (Lipe and Pitblado 1999); (Lipe, et al. 1999); (O’Neil 1993); (Pitblado 1994),(Pitblado 1999); (Stiger 2001); and (Willey 1966). Public Service Company of Colorado EPG Southeast Metro Natural Gas 1 July 2019 Figure 1. Project Location. Public Service Company of Colorado EPG Southeast Metro Natural Gas 2 July 2019 Paleoindian Era (ca. 13,450 to 8,350 B.P.) The Paleoindian Period is the earliest known and least understood period of demonstrated human occupation in the region. While there is little concrete archaeological evidence to date, and the precise timing and nature of human entry into North America remains a matter of considerable debate, it is likely the first inhabitants of the region were Paleoindians who arrived at least 13,000 years