Federal/State/Local Compliance
Our federal, state, and local compliance services include:
- Desktop/Class I inventories
- Historic and archival research
- Tribal consultation
- Section 106/NEPA integration
- SEPA integration
- Intensive/Class III surveys
- Archaeological and historic resource documentation
- Cultural landscape inventories and reports
- Traditional Cultural Properties/Traditional Land-Use studies
- National Register evaluations
- Effects determinations
- Agreement documents (MOAs, MOUs)
- Mitigation of adverse effects projects (data recovery, HABS/HAER, interpretive displays and documents)
- Historic Properties Management Plans
- 4f documentations
HRA also assists clients and agencies in the energy, transportation, federal, communications, and development sectors. Our projects range from large multistate linear corridors to individual property assessments. Our projects include:
- Interstate pipelines
- Transmission lines and facilities
- Highway improvements and bridge replacements
- Hydropower relicensing and implementation
- Land exchanges
- Alternative energy generation (solar, wind, geothermal)
- Mines
- Commercial and residential developments

Featured Members
Featured Projects
Amazon Prairie Mitigation Bank Project
HRA helped the City of Eugene, Oregon, protect cultural resources during design and implementation of a project that restored 324 acres of agricultural farmland to wetland prairie.
Archaeological Monitoring and Data Recovery at the Oregon State Hospital's North Campus for the City of Salem
HRA conducted archaeological monitoring for the installation of a wastewater line along the edge of the North Campus of the Oregon State Hospital.
Archie Creek Fire Response Project
HRA completed ten months of intensive archaeological monitoring of Pacific Power’s recovery effort for the Archie Creek Fire.
Discovery Road Bikeway and Sidewalks Project
HRA completed cultural resources investigations for the proposed installation of a bikeway and sidewalks along an existing stretch of Discovery Road in Port Townsend, Washington.
Combs Flat Road Cultural Resources Services
HRA provided cultural resources assessment services for the Combs Flat Road Segment 1A Project for the City of Prineville, Oregon.
Green Lake Community Center
HRA provided archaeological monitoring for the early phases of Seattle Parks and Recreation’s Green Lake Community Center project.
I-5 Joint Base Lewis-McChord (JBLM) Vicinity Congestion Relief Project
HRA conducted archaeological and architectural investigations for I-5 improvements related to congestion.
Knutson Farms EIS
HRA conducted a cultural resources inventory for the City of Puyallup Knutson Farms Industrial Park Environmental Assessment.
PacifiCorp HPMP Implementation
PacifiCorp contracted with HRA to advise and assist them with the implementation of Pacificorp’s HPMP for the Swift No. 1, Yale, and Merwin Hydroelectric Projects in Clark, Cowlitz, and Skamania Counties, Washington.
Pasco Pump Lateral 5.8 Wasteway Project
HRA assisted the Bureau of Reclamation with construction of a new irrigation outfall from the Columbia Basin Irrigation Project in Pasco, Washington.
South Park Bridge Replacement
HRA conducted architectural and archaeological investigations for the proposed replacement of the South Park Bridge in King County, Washington.
Upper Baker Dam Spillway Slope Stabilization Project
HRA conducted cultural resources investigations for the proposed stabilization of the Upper Baker Dam spillway slope in Whatcom County, Washington.
Cultural Resource Management
Facilitating Government-to-Government Consultation
HRA provides assistance and professional guidance to agencies and private clients in formal and informal tribal consultation and communication.
GIS/Cartography
Through integration of GPS (Global Positioning System) and GIS (Geographic Information System) into our fieldwork and deliverables, HRA gathers and disseminates highly accurate…