Road Improvement and Wetland Mitigation Project

Road Improvement and Wetland Mitigation Project

Plateau Archaeological previously conducted a cultural resources survey for the Mill Creek Road Improvement Project, and as part of this road improvement, performed mitigation for a wetlands site in Walla Walla. This road was in place by 1861 at the latest, and pre-field research revealed one previously recorded archaeological site within the project area, a […]

Crane Road Fire – Shrub Restoration Project

Crane Road Fire – Shrub Restoration Project

The August 2012 Crane Road Fire burned approximately 11,130 acres of Bureau of Land Management (BLM), Washington Department of Fish and Wildlife (WDFW), and private property.  The BLM and WDFW proposed to reseed approximately 130 acres of land with native species including bitterbrush and water birch shrubs for the Crane Road Fire – Shrub Restoration […]

Cache Creek Fire Site Monitoring

Cache Creek Fire Site Monitoring

The Vale District, Baker Resource Area of the Bureau of Land Management (BLM) retained Plateau Archaeological Investigations to complete cultural resource site monitoring of BLM administered land near Rogersburg in Asotin County, Washington.  This area was subject to the Cache Creek Fire which consumed more than 56,000 acres of land in Asotin County and Wallowa […]

Evaluation of Splash Dam 2 and Splash Dam 3 on Marble Creek

Evaluation of Splash Dam 2 and Splash Dam 3 on Marble Creek

Plateau Archaeological Investigations conducted a significance assessment of two historic splash dams (Splash Dam 2 and Splash Dam 3) in the Marble Creek drainage on the St. Joe National Forest.  The evaluation was done to consider the effects of a plan to provide passage for native salmonids around blockages such as the splash dams.  The […]

Loan Springs Isolation Structure and Loan Springs Fish Barrier Project

Loan Springs Isolation Structure and Loan Springs Fish Barrier Project

  As part of the Columbia Basin Project (CBP), the Bureau of Reclamation (BOR) has developed the Potholes Supplemental Feed Route Project to provide additional irrigation water to the southern reaches of the CBP.  The Loan Springs Isolation Structure and Loan Springs Fish Barrier Project is the proposed construction of an isolation structure and fish […]

Yakima River Canyon Property Conversion Project

Yakima River Canyon Property Conversion Project

  The State of Washington Department of Fish and Wildlife (WDFW) retained Plateau Archaeological Investigations to complete a cultural resource survey of a 3.0-acre parcel of property located in Kittitas County, Washington.  The WDFW was preparing to convey the property to private ownership. Plateau performed pedestrian survey and minimal shovel probing across the WDFW Yakima […]

Toxics Cleanup Program – Spokane River Metals Sites Project

Toxics Cleanup Program – Spokane River Metals Sites Project

  Plateau completed a cultural resource survey of the Toxics Cleanup Program – Spokane River Metals Sites Project in Spokane County.  The project is the proposed cleanup of seven shoreline sites, ranging in size from less than 0.5 acre up to 4.0 acres.  These sites have accumulated deposits of metals from historic mining activities in […]

Cowiche Mill Fire Rehabilitation Area

Cowiche Mill Fire Rehabilitation Area

  The Bureau of Land Management (BLM) is proposing to implement a habitat restoration and erosion prevention project on portions of land subjected to the 2010 Cowiche Mill Fire.  The lands in the project area are either administered by the BLM or privately owned.  As this is a federally funded project, the potential impacts to […]

Driscoll Island Salmon Habitat Enhancement Project

Driscoll Island Salmon Habitat Enhancement Project

This project area covered several acres on Driscoll Island in which project plans involved cold water salmon refuges and riparian vegetation planting and an associated waterline.  This project was partly funded by a grant from the National Fish and Wildlife Foundations Community Salmon Fund, and as such, the client was required to comply with Section […]