Cultural Resource Management & Consulting Services

Navigating you through cultural resource management and regulations


Guiding Projects Through Cultural Compliance Process

Plateau CRM, LLC conducts archaeological and cultural resource contracting and consulting services in Washington, Idaho, Oregon, and Montana. 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.

Meet Compliance Requirements
Cost Effective
Ensure Efficiency
Knowledgeable Staff



Preliminary Review And PCRRs

These reviews are conducted using state databases, historical maps, and other public information that can help tell the story of the land use in that particular location or region.

SEPA Planning

Plateau can help our clients with all components of Question 13, from initial response to the completion of work, and facilitation of smooth navigation through the SEPA review process.

Cultural Resource Management

We provide our clients with all of the information to successfully complete their projects while also protecting cultural resources that may exist in a Project Area.


Archaeological monitoring includes the observation of construction and development excavation activities. We can help you identify, recover, protect, and/or document cultural resources in the site area.

Testing, Excavation, And Recovery

With our 25 years of experience, we can move you through permitting and consultation processes smoothly, and help our clients complete their projects on time and on budget.

Federal And State Compliance

Our expertise and knowledge can help you through tribal consultations to ensure federal and state compliance.

Inadvertent Discovery Plan

This plan is used for monitoring projects, projects with limited surface visibility, and is required by some state and local agencies.

Drone And GIS Services

Plateau’s FAA certified archaeological staff can use aerial photography, videography, mapping, GIS and Drone services to create monitoring plans, and facilitate the management of cultural resources.



Archaeological Monitoring for Benton Irrigation District’s Irrigation System Improvements


City Of Wenatchee Well


Monroe Road Bridge Replacement


Sprague Wastewater Lift Stations


Curlew Lake Private Development

Private development

Dewberry Sewer Emergency Repair Archaeological Monitoring


What People Say

“Plateau Archaeological Investigations has always provided timely and professional Cultural Resource Management services for Avista. They have the staff and expertise to navigate the complex state and federal permit processes. Their final reports are detailed, comprehensive, and fully researched. As a utility, our projects can sometimes require a quick turn around with permitting and David has always helped maintain these schedules.”
Todd McLaughlin
Environmental, Cultural Resources, & Avian Programs
“You guys were a pleasure to work with. I especially loved the enthusiasm and interest that you and your co-worker expressed for our project. I will definitely keep you all in mind for future projects.”
Annie Connor
Clearwater Soil and Water Conservation District


The Compass Vol. 5

Welcome to the fifth edition of the Compass! Summer is in full swing, and in the Plateau CRM office, we are happy to be working in the field.

Read More »

Got a Project? Let's Schedule An Appointment

Free Consultation

Fill in your details and we’ll get back to you in no time.

"*" indicates required fields

This field is for validation purposes and should be left unchanged.

Thank You

Thank you for your submission! We will get in touch with you shortly.