Phase I Cultural Resource Survey of the Georgia Portion of the Sabal Trail Project, Stewart, Webster, Terrell, Lee, Dougherty, Mitchell, Colquitt, Brooks, and Lowndes Counties, Georgia, Revised Draft Report, Addendum 4

Sabal Trail Transmission, LLC (Sabal Trail), a joint venture between affiliates of Spectra Energy Partners, LP, NextEra Energy, Inc., and Duke Energy Corporation, has been issued a Certificate of Public Convenience and Necessity from the Federal Energy Regulatory Commission (FERC) pursuant to Section 7(c) of the Natural Gas Act authorizing the construction and operation of the Sabal Trail Project (Project) (FERC Docket No. CP-15-17-000; DA Permit No. SAS-2013-00942; HPD o. HP-131022-004). The Project involves construction of ca. 480.7 miles of new 36-inch natural gas pipeline (the mainline route) from a Transcontinental Gas Pipeline Company, LLC (Transco) pipeline in Tallapoosa County, Alabama to a new interconnection hub (the Central Florida Hub) in Osceola County, Florida. The Project will also include construction of associated compressor stations, meter and regulating (M&R) stations, and mainline valves (ML Vs), and use of additional temporary work spaces (A TWSs) access roads, and contractor yards. In addition, the Project will include construction of approximately 13.1 miles of new 36-inch diameter pipeline (the Hunters Creek Line) and 2 I .5 miles of new 24-inch pipeline (the Citrus County Line) in Florida.

Approximately 161.7 miles of the Sabal Trail mainline route are located in Georgia, where the route traverses Stewart, Webster, Terrell, Lee, Dougherty, Mitchell, Colquitt, Brooks, and Lowndes counties. Associated above-ground facilities in Georgia include the Albany Compressor Station as well as eight MLVs and a Launcher/Receiver site, all of which will be located along the route or within the Albany Compress or Station site. In addition, the Project will also involve the use of over I 00 access roads and contractor yards in Georgia, as well as a number of A TWSs. The Project Area of Potential Effects (APE) for archaeological resources in Georgia was defined as a 300-ft-wide (ca. 91.44-m-wide) environmental study corridor containing the mainline route and also includes a SO-ft-wide (ca. 15.24-m-wide) corridor along proposed access roads as well as the footprints of compressor station and M&R station sites and of other support facilities.

A revised draft report (Kosalko et al.20 15) documenting the initial cultural resource surveys of the Georgia portion of the Project, including the mainline route as well as associated facilities, was submitted to the Historic' Preservation Division (HPD) of the (Georgia) Department of Natural Resources (DNR) in May 2015 (Kosalko et al.2015). That report presented the results of surveys conducted by TRC Environmental Corporation (TRC) on behalf of Sabal Trail from September 2013 through July 2014, as well as supplemental surveys requested by the HPD in the same survey areas, which were conducted in February 2015. Addendum reports (Kosalko and Burr 2015a, 2015b; Kosalko and Webb 2015) covering additional surveys conducted from August 2014 through October 2015 have also been submitted to and reviewed by HPD, and revised drafts of those reports have been accepted by HPD. Associated surveys conducted for the Alabama and Florida portions of the Project have been reported separately, as were the Phase II archaeological investigations in all three states.

This addendum report (Addendum 4) documents supplemental surveys conducted for recently identified route modifications and ancillary facilities. The archaeological and historic architectural surveys took place in Dougherty, Brooks, and Lowndes counties, and covered approximately 0.15 miles (0.24 km) of the pipeline route, a minor change to a previously surveyed access road, and two contractor yards. No archaeological resources were identified during the survey. Historic structure HS-65 was identified near the Flowing Well Road Contractor Yard in Dougherty County and is recommended ineligible for the National Register. Historic structure HS-66 (Kingfisher Plantation) was identified near the Quitman Contractor Yard in Brooks County. The Kingfisher Plantation complex is recommended eligible for the National Register under Criterion C, but TRC recommends that the temporary use of the contractor yard will not have an adverse effect on this resource.