Call & Nicholas, Inc.
International geotechnical and hydrogeological consultants for the mining industry
Tucson, AZ
Explore capabilities, project experience, and office locations to build your shortlist.
International geotechnical and hydrogeological consultants for the mining industry
Tucson, AZ

Where Innovation Meets Sustainable Impact

Practical Outcomes From Complex Challenges
Rapid City, SD+18
With every community, we redefine what's possible
Denver, CO+7

Committed to providing practical and economical environmental solutions with foremost attention to quality and liability protection.
St. Louis, MO

Civil engineering and project support services built on civility, integrity, and respect.
Land Surveying and Lot Subdivision Surveys.
Juneau, AK

Professional Consulting Services
Beaver, WV+1
Blast Consulting and Monitoring Services
Lemitar, NM

Investment Due Diligence and First-Pass Opportunity Reviews.
Houston, TX+6

Engineering a better way.
St. Louis, MO+3
Microseismic Subsurface Diagnostics
Houston, TX

Technical expertise and sound analysis for your mining project, both large and small.
Grand Junction, CO+2

Meeting All Your Project Needs, Anywhere
Orlando, FL+7

Engineering | Architecture | Planning
Minneapolis, MN+5

Adaptive Engineering. Innovative Solutions.
Gaithersburg, MD

Innovative water treatment and process plants

Custom Solutions for the Mining Industry
Littleton, CO