Our Projects

Kodiak Island Interpretive Signs and Brochure

Kodiak Island Interpretive Signs and Brochure Under contract to the U.S. Coast Guard, HRA historians and graphic artist designed and fabricated three interpretive signs illustrating the history of the naval air installation at Kodiak Island, Alaska. The porcelain...

Salt Lake Valley Smelters

Salt Lake Valley Smelters Highland Boy copper smelter in Utah’s Salt Lake Valley. Our ownership and operational histories of industrial sites help potentially responsible parties determine whether (or how much) they contributed to the contamination of a particular...

Tri-State (Tar Creek) Superfund Site

Tri-State (Tar Creek) Superfund Site Picher lead mine and chat pile in Oklahoma, part of the Tri-State Superfund site. HRA’s research on industrial activities in the Tri-State mining district helped determine the allocation of cleanup costs. © Oklahoma State...

Thea Foss Waterway

Thea Foss Waterway The Thea Foss Waterway in Tacoma, Washington. Our historical research of activities on industrial waterways helps identify parties that contributed to contamination. HRA historians researched the industrial development of the Thea Foss Waterway...

Carten Creek Road

Carten Creek Road Map of the area around Carten Creek in Montana. HRA digs deep into the history of an area to shed light on present-day legal issues, such as this conflict over whether a road was public or private. HRA historians researched the history of a rural...

Fort Yuma

Fort Yuma Construction of the Laguna Dam at the edge of the Fort Yuma Indian Reservation in California. HRA’s research on Indian land ownership and water use as played a critical role in water rights litigation. As part of the Arizona v. California Supreme Court case...

History of RS 2477 Roads in Kane County, Utah

History of RS 2477 Roads in Kane County, Utah HRA conducted research and completed field studies of twelve rural roads located in Kane County, Utah, which were the source of a dispute relating to their status as potential RS 2477 rights-of-way. RS 2477 is a provision...

Gila River Adjudication

Gila River Adjudication Construction of Sacaton Dam on the Gila River Indian Reservation in Arizona. HRA provided research and expert witness testimony for the adjudication of water rights on the Gila River. As part of the General Streamwide Adjudication of the Gila...

Snake River Basin Adjudication

Snake River Basin Adjudication For the U.S. Department of Justice and the Bureau of Reclamation (BOR), HRA conducted research and prepared reports for a number of specific water rights cases in the Snake River Basin Adjudication. HRA historians researched records in...

Yavapai-Prescott Indian Tribe Census Rolls

Yavapai-Prescott Indian Tribe Census Rolls 1920 census of the Apache and Mohave Indians of the San Carlos Agency, Arizona. HRA investigated the federal government’s Indian census-taking practices for a case involving tribal membership. HRA prepared an expert report...

Midnite Mine Superfund Litigation

Midnite Mine Superfund Litigation Midnite Mine Superfund site in Washington state. In litigation to determine responsibility for cleanup costs, HRA examined the history of environmental management of a uranium mine, along with federal management of the mine lease. HRA...

U.S v. Michigan

U.S v. Michigan Indians fishing in the rapids at Sault Sainte Marie, Michigan, circa 1900. HRA assisted a variety of expert witnesses in a case involving Indians’ hunting and fishing rights under an 1836 treaty. HRA provided research, writing, and litigation support...

Southern Ute Indian Tribe’s Off-Reservation Use Rights

Southern Ute Indian Tribe’s Off-Reservation Use Rights Southern Ute Indians and others following the signing of the 1873 Brunot Treaty. HRA provides historical research and expert witness testimony connected with the meaning of treaty provisions, such as those...

Joint Base Lewis-McChord Interpretive Signage, Film, and Brochures

Joint Base Lewis-McChord Interpretive Signage, Film, and Brochures HRA’s numerous cultural resource management projects at Joint Base Lewis-McChord (JBLM) have included an interpretive element. As part of a larger mitigation project for anticipated adverse effects to...

Point Reyes National Seashore Administrative History

Point Reyes National Seashore Administrative History HRA researched and wrote an administrative history of the Point Reyes National Seashore in California for the National Park Service (NPS). In addition to doing extensive archival research, HRA historians conducted...

U.S. Army Corps of Engineers, Baltimore District History Update

US Army Corps of Engineers, Baltimore District History Update HRA historians researched and wrote a 200-page administrative history update of the US Army Corps of Engineers, Baltimore District, covering the years 1974 to 2008. The history explained the district’s...

Fort Walla Walla Integrated Cultural Resource Management Plan

Fort Walla Walla Integrated Cultural Resource Management Plan HRA prepared an Integrated Cultural Resource Management Plan (ICRMP) for the Walla Walla VA Medical Center. Since the Fort is a National Register of Historic Places (NRHP) eligible historic district that...

Badger Pass Ski Area

Badger Pass Ski Area HRA contributed to an Environmental Assessment (EA) for rehabilitation of a historic ski area in Yosemite National Park. The Badger Pass Ski Area was the first downhill skiing resort to be developed in California and rehabilitation of the...

Cushman Hydroelectric Facility Services

Cushman Hydroelectric Facility Services HRA has provided a variety of cultural resource services to Tacoma Public Utilities for the Cushman Hydroelectric Facility. Initially, HRA developed a Historic Properties Management Plan (HPMP) that included recommendations for...

Burke-Gilman Trail

Burke-Gilman Trail Ballard waterfront, Seattle. HRA’s historical research and archaeological services assisted the City of Seattle in complying with Section 106 and various local and state permitting processes during the upgrade of a heavily used urban bike trail. The...

South Park Bridge Replacement

South Park Bridge Replacement Archaeological wet-screening operation at the South Park Bridge site. HRA conducted archaeological and architectural historical reviews, effects analysis, and mitigation actions for this bridge replacement project. HRA conducted...

United States Postal Service Historic Structures Report

United States Postal Service Historic Structures Report HRA completed a series of historic resources investigations for the United States Postal Service’s sale of a post office in Reno, Nevada. HRA completed a Historic Structures Report and maintenance guidelines,...

Fremont Bridge Approach Replacements

Fremont Bridge Approach Replacements HRA completed cultural resources investigations and mitigation for the proposed replacement of the approaches to the National Register-listed Fremont Bridge in Seattle, Washington. HRA prepared Section 106 consultation...

Nicodemus Historic Resource Study

Nicodemus Historic Resource Study HRA and our partner HRA Gray & Pape, LLC, prepared a historic resource study (HRS) of Nicodemus National Historical Site, an African American community in Kansas founded by former slaves. The study, which was conducted for the...

Baker River Hydroelectric HAER Recordation

Baker River Hydroelectric HAER Recordation Lower Baker Dam and Powerhouse in Concrete, Washington. Our research on the history of hydroelectric development and fish-passage activities helps clients comply with FERC requirements for the historic properties that they...

Miller Ranch Wind Farm

Miller Ranch Wind Farm Turbines at Miller Ranch Wind Farm project in Klickitat County, Washington. HRA conducted cultural resources investigations at the wind farm and used GIS to create buffers around cultural resources, ensuring their avoidance during construction....

Willow Creek Dredging

Willow Creek Dredging HRA conducted cultural resources investigations for the Willow Creek Dredging project in Gilliam County, Oregon. The proponent proposed to dredge the mouth of Willow Creek to eliminate flood-borne soils, but the area was known to have been...

Hancock Forest Management Road 25 Relocation

Hancock Forest Management Road 25 Relocation HRA archaeologist taking notes during survey of the Hancock Forest Management Forest Road 25 relocation project. HRA examined the proposed road alignment, located on the Upper Puyallup River, for the presence of cultural...

NoaNet Fiber Optic Line, NE Route

NoaNet Fiber Optic Line, NE Route Native American pictograph site in the northern Plateau culture area. HRA identified rock art panels during archaeological surveys for linear projects. Based on HRA’s recommendations, the locations were left unaffected through...

Pacific Connector Pipeline

Pacific Connector Pipeline Between 2006 and 2012 HRA completed cultural resources investigations for the Pacific Connector Pipeline Project in Southern Oregon. Pacific Connector Gas Pipeline is proposing a 36-inch pipe to connect the proposed Jordan Cove Liquid...

Predictive Model Development

Predictive Model Development Over the past five years HRA has developed numerous archaeological predictive models for federal, state, and private clients. For the Oregon Department of Transportation, we developed four predictive models for a 2,600-square-mile study...

Christophe Harbour Development

Christophe Harbour Development Blue transfer printed pearlware plate in "Blue Willow" pattern, recovered from an early 19th century slave housesite. HRA conducted heritage resource investigations for the Christophe Harbour development on St. Kitts to aid them in...

Yosemite National Park

Yosemite National Park Since 2006 HRA has contributed to archaeological and architectural studies in Yosemite National Park, including a data recovery in Yosemite Valley. HRA’s associate archaeologist revised a previous technical report and gave an interpretive...

Bison Pipeline

Bison Pipeline HRA conducted a cultural resources survey for the proposed Bison pipeline in North Dakota. HRA inventoried a 124-mile segment of the pipeline as well as 50 miles of reroutes and over 100 miles of access. HRA also managed complex Esri ArcGIS databases of...

Grand Teton National Park

Grand Teton National Park HRA provided cultural resources services to the National Park Service (NPS) for the prescribed Matilda Fire, the Colter Bay Water Main Replacement, Moose Water/Wastewater projects, and Gros Ventre Stabilization. These four separate projects...

Bonneville Power Administration Libby to Troy Transmission Line

Bonneville Power Administration Libby to Troy Transmission Line HRA conducted background research for cultural resources, an intensive cultural resource survey, and cultural resource monitoring for the Bonneville Power Administration’s (BPA’s) 17-mile-long Libby to...

Seattle Public Utilities Combined Sewer Overflow (CSO) Reduction

Seattle Public Utilities Combined Sewer Overflow (CSO) Reduction HRA contracted with HDR, Inc. to conduct cultural resource studies and analysis of alternatives for Combined Sewer Overflow Reduction projects in the Henderson, Genesee, Windermere, and Madison Park...