AZ Yucca Ash 2

Tierra recently conducted a 1,296-acre cultural resources survey for the Bureau of Land Management (BLM) within the Yucca Ash Clearance Area of the Las Cienegas National Conservation Area (LCNCA) in Santa Cruz County, Arizona. Mesquite, its growth encouraged by cattle grazing, has invaded much of the grasslands of the LCNCA, and the BLM has undertaken a series of projects to eradicate the species.

Read more: Las Cienegas Grassland Restoration Project

ID Palisades Dam 3

Tierra was hired by the Bureau of Reclamation to prepare a National Register of Historic Places (NRHP) nomination for the Palisades Dam and Powerplant, located on the Snake River about 55 miles southeast of Idaho Falls, Idaho.

Read more: Palisades Dam and Powerplant NRHP Nomination

 NM Escudilla 1

The U.S. Department of Agriculture Forest Service contracted Tierra to conduct an intensive cultural resources inventory of five discrete units totaling 882 acres within a portion of the Apache National Forest administered by the Gila National Forest (GNF). 

Read more: Cultural Resources Inventory for the Escudilla East Landscape Restoration Project

 KCECBLMtrip1 010 1

Since 2014, Tierra has held an Indefinite Delivery/Indefinite Quantity (IDIQ) contract with the U.S. Department of Agriculture Forest Service to provide intensive and sample pedestrian archaeological surveys and cultural resources investigations on an on-call basis within Forest Service Region 3 in New Mexico. 

Read more: USDA Forest Service IDIQ Contract, Statewide New Mexico

 WA Leudinghaus Bridge 1

Tierra was contracted by Wetland Resources, Inc., to conduct a cultural resources assessment in advance of the construction of a 6-mile-long, 115kV electrical line in Snohomish and Island Counties. The work was performed in support of an U.S. Army Corps of Engineers permit and various State and County permits.

Read more: Stanwood to Camano Island Transmission Line Project


Tierra conducted a cultural resources inventory of 720 acres managed by the Bureau of Land Management (BLM) near Teague Springs Indian Hot Springs, a 1930s-era Civilian Conservation Corps (CCC) camp northeast of Safford, Arizona. The BLM solicited the survey in its goal to better understand and document the work performed by the CCC in the Safford Basin.

Read more: Teague Springs Cultural Resources Inventory for the BLM

 Hburg 1

Tierra archaeologists performed a 1,752-acre Class III cultural resources inventory for a New Mexico Energy, Minerals, and Natural Resources Department Abandoned Mine Lands Program undertaking to safeguard the public from hazardous open mines in the Hansonburg Mining District.

Read more: Cultural Resources Work at the Hansonburg Mining District

 Cultural Resource Inventory at the Monte Cristo Mining District

Tierra was contracted by the Mount Baker-Snoqualmie National Forest in Washington State to perform a detailed survey and record sites at the Monte Cristo Mining District and townsite. The U.S. Forest Service (USFS) was preparing for a large-scale clean-up intended to remove contaminated soils from several mines, adits, and processing centers within the old townsite. As part of the clean-up process, a full inventory of cultural resources was requested. 

Read more: Cultural Resource Studies at the Monte Cristo Mining District

Kit Carson Electric Cooperative (KCEC) hired Tierra to conduct extensive cultural resource and biological surveys and environmental permitting for the Taos Broadband Project, which entailed the installation of a fiber-optic network that will parallel the existing KCEC electrical distribution system within Colfax, Rio Arriba, and Taos Counties in New Mexico. 

Read more: Taos Broadband Project

In preparation for downtown-area revitalization projects, Tierra was hired by the City of Tucson to survey, test, and excavate a property at the intersection of 6th and Toole Avenues within the Tucson Warehouse Historic District. Archaeological and archival research revealed that this parcel was first used as a distribution and storage center after 1880 when the railroad arrived in Tucson and represents early industry in the area. This project allowed researchers a unique window into industrial and commercial life in early Tucson. In partnership with the City, Tierra was able to complete the project in a timely manner while also furthering our understanding of the city’s rich heritage.

Call us at (800) 887-0847

For more information on our Cultural Resources operations or to inquire about obtaining our services, please contact:

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Division Director
Environmental Planning & Cultural Resources
(800) 887-0847

"It has been our pleasure to work with Tierra Right of Way this construction season. Their field staff is knowledgeable of construction, understand the balance of cultural sensitivity and keeping a project moving forward when possible, and work very well with the local Tribe. When the contractor encountered culturally sensitive artifacts, Tierra Right of Way staff expertly and timely communicated with the PUD, the Tribe and the State Department of Archaeology and Historic Preservation to resolve the situation while preserving the artifacts so that portion of the project could resume that same day. They met their scope and budget which were developed in conjunction with our contractor and were flexible in scheduling with our contractor. We are pleased to have Tierra Right of Way on our on-call archaeological services roster."

~ Jocelyne Gray, PE, Mason County PUD

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