
Keep your project on schedule and avoid cultural compliance delays.
Service Availability:
- Wyoming
- Colorado
- Montana
- N/S Dakota
- New Mexico
- Utah

Grouse Mountain Environmental Consultants offers comprehensive cultural resource management (CRM) services tailored for development projects throughout Wyoming, Montana, Colorado, North Dakota, and South Dakota. Whether you’re completing a federal permit, conducting a Phase I Inventory, or navigating Section 106 compliance, our archaeologists and cultural specialists streamline the permitting process while respecting sensitive sites.
Why Choose Grouse Mountain for Cultural Resource Services?
Full Compliance
Deep familiarity with NHPA, ARPA, NAGPRA, AIRFA, and state statutes.
Local & Regional Knowledge
Extensive field experience across WY, MT, CO, ND, SD
Multi-Discipline Strength
Access to GIS, wildlife, permitting, and reclamation experts under one roof.
Skilled Field Staff
Our team includes experienced field archaeologists and report writers.
Efficient, Cost-Effective Approach
We tailor surveys to your project. Maximizing compliance and minimizing delays.
Class I, II & III Surveys and Site Inventories
- Class I record reviews, Class II pedestrian surveys, and Class III intensive inventories
- Archaeological mapping, lithic analysis, artifact curation, and documentation
- Sensitive, high-quality reports suitable for federal and state regulatory review
Constraints & Viewshed Analyses
- GIS-based mapping of cultural site proximity and visibility
- Assessments for communication towers, solar farms, pipelines, and roads
Archaeological Testing, Mitigation & Data Recovery
- Excavations, shovel testing, and project-specific data recovery
- Including artifact recovery, photo documentation, and curated archiving
NRHP Evaluations & Nomination Support
- Determination of site significance
- Full preparation of National Register of Historic Places nominations
Construction & Reclamation Monitoring
- Field monitoring during grading, drilling, blasting operations
- Coordination with BLM, SHPO, tribal agencies, and other stakeholders
UAV Cultural Landscape Analysis
- Drone-based orthomosaic/3D mapping for landscape interpretation and reporting
Agency & Tribal Coordination
- Management of inter-agency review processes
- Coordination with federal, state, and tribal entities, including NEPA, BLM, and SHPO