Worden Substation and Transmission Line
In Energy

Worden Substation and Transmission Line

The Columbia County Rural Electric Association (REA) will construct a four-mile long transmission line and a substation near Burbank.  The project will cover a total of 51.1 acres, and fifty-five poles will be installed to construct the transmission line. As support for the State Environmental Policy Act (SEPA) checklist, Columbia REA chose to consider the […]

Palouse Wind Project
In Energy

Palouse Wind Project

Palouse Wind LLC retained Plateau Archaeological Investigations (Plateau) to complete the cultural resource survey of Palouse Wind, a commercial wind energy generating facility in Whitman County.  The facility consists of 63 turbines located on 7,000 acres. Plateau archaeologists completed an architectural and archaeological survey of the proposed undertaking.  The architectural survey resulted in the recordation […]

Manila Creek Area Transmission Line Maintenance Project
In Energy

Manila Creek Area Transmission Line Maintenance Project

The project required replacement and realignment of several utility poles, and potential maintenance road construction along the realigned corridor.  The Project Area is located west of the Sanpoil River and south of French Johns Lake and covered 7.5 acres along steep, east-facing slopes that parallel the western shoulder of State Highway 21.  The confluence of […]

Swawilla Basin Transmission Realignment Project
In Energy

Swawilla Basin Transmission Realignment Project

Plateau’s client sought to reroute approximately one-mile of transmission power line between two existing points on a transmission line corridor spanning the Swawilla Basin on the Colville Indian Reservation.  The Confederated Tribes of the Colville Reservation (CCT) requested that a cultural resource survey be completed prior to ground disturbing activities, and Plateau’s cultural resource survey […]

Methow Transmission Project – Gold Creek Substation
In Energy

Methow Transmission Project – Gold Creek Substation

In 2008, Plateau conducted a cultural resource survey of the Gold Creek Substation as part of the Methow Transmission Project.  The survey covered 2.0 acres and included the review of two geotechnical bore spoil piles.  No cultural material or features were observed during either the survey or screening of nearly a cubic meter of spoils. […]