• SuperJack
  • Survey along the Spokane River
  • Excavations at the Omak Arena
  • Probing along the proposed Grant Road Realignment
  • Palouse Wind
  • Investigations at the Curlew Wastewater Treatment Facility Location
  • Wanapum Walla Walla
  • Palouse Winds
  • Probing at the Port of Quincy Industrial Park No. 6

Cultural Resource Management and Compliance

Plateau Archaeological Investigations, LLC conducts archaeological and cultural resource contracting and consulting services in eastern Washington, north Idaho, and eastern Oregon. Our clients include Federal and State agencies, counties, municipalities, utilities, engineering firms, and private organizations. By knowing and understanding the region we work in and the concerns of regional interested parties, we are able to focus our efforts toward providing solutions to specific concerns. Our reports satisfy the requirements of any funding agencies, state departments or agencies, and any tribal entities who may comment.

Read more about Plateau Archaeological Investigations.

Plateau Archaeological Investigations has provided prompt and thorough service. The staff has a good knowledge and understanding of the history of the Columbia Plateau. Plateau Archaeological Investigations understands the requirements of cultural resources management and has a good working relationship with the Washington State Department of Archaeology and Historic Preservation. Archaeological or historic issues have not held up projects when Plateau has provided cultural resource surveys. We consider Plateau a great resource for our projects and business.- Alan Rainey, Spink Engineering LLC