From 2006 to 2008 William Self Associates, Inc. (WSA) conducted an archaeological survey of the proposed construction corridor and associated support facilities for the UNEV pipeline. This pipeline, jointly built by Holly Corporation and Sinclair Transportation Company, is a 400 mile-long buried pipeline that originates at Woods Cross Refinery near Salt Lake City and transports refined petroleum products from Salt Lake City to terminals in Cedar City and Las Vegas. During the survey, WSA identified 400 prehistoric and historic-period archaeological sites that potentially would be affected by the project. Two hundred sites were determined eligible for inclusion on the National Register of Historic Places because of their historic significance and ability to provide information important in prehistory and history.
Archaeological excavations were subsequently carried out at eleven prehistoric sites and four historic sites. The prehistoric sites were created by hunters, foragers, and farmers, and included three Fremont short-term camps and artifact scatters that date from around 9000 B.C. to A.D. 1800. Most of the sites did not contain many artifacts below the ground surface due to their locations in deflated dunes, but two sites (Gunnison Bend [Figure 1] and Crater Bench Dune) did yield significant buried cultural deposits, including temporary structures and other features. Excavation and analysis was guided by five general research themes: chronology, settlement distribution, site structure, subsistence practices, and technology.
Historic-period sites included a historic farmstead near Salt Lake City that became a duck-hunting club (Figure 2), the remains of Civilian Conservation Corps Camp, a homestead, and a small rural site. In addition, archival research was conducted to more fully document the many historic linear sites in the project area, which included railroads, roadways, and irrigation canals. The compiled documents comprise a valuable record of late nineteenth and early twentieth century transportation development in Utah.