Tailings & Heap Leach Design Experts

Mining Expertise, Amplified.

BBA Consultants joins forces with Tierra Group to bring global engineering scale and trusted local expertise to U.S. mining.

“Our Clients are First,
the Team is Second,
and I am Third.”

Core Services

Water Resources

"Wow! Congratulations Tierra Group!! It doesn't seem like 5 years already! 5 great years of very good work. Thanks for that!"

Maria Alejandra Gomez, Environmental Director, Mina El Mochito

"Knight Piesold has been assisted by Tierra Group on a few key assignments and found the people and overall experience to be excellent."

Tom Kerr, President, Knight Piesold and Co.

"With the complex tailings storage system at our El Limón mine we needed a flexible and creative team to help us build a new facility and maintain our existing facilities. Tierra Group's depth and breadth of ability and experience has been called upon many times over the past three years and they continue to provide us with site-specific solutions."

Peter Montano, Manager, Mine Engineering, B2Gold Corp.

"By providing excellent service during design, construction, expansion, and operations Tierra Group International has become an integral part of our La Libertad tailings storage team. Their ability to provide professional field and office engineering as well as on-site training makes Tierra Group International our primary resource for geotechnical and tailings projects."

Peter Montano, Manager, Mine Engineering, B2Gold Corp.

"Although I am relatively new to the Tierra Group Team, I am still deeply humbled to be able to say that I am part of such an amazing Team! Every single day I see how our credo is deeply ingrained in everything that we do, and propels us to the next level."

Bob Beach, Tierra Group International, Ltd.

"You have a great company, great people and work hard. We are fortunate to also have a great friendship with all of you."

Dale Howell, President, The Mining Record

“Tierra Group’s Team has provided Nyrstar with geotechnical and environmental engineering services to a large majority of our mining operations. Primarily focused on practical tailings impoundment solutions, and has been a dedicated engineering partner to Nyrstar.”

Rod Lamond, Group General Manager - Exploration and Mining Development, Nyrstar

"I am glad that our relationship between B2Gold and Tierra Group has worked so well. A significant component in that relationship is the quality of service that you provide, which says a lot about Tierra Group staff. Great job."

Dale Craig, B2Gold

"Your team has done an exceptional job here at Fekola. Thank you for their diligence and hard work."

Bora Gurcay, Deputy Civil Projects Manager, B2Gold

“I have some really great news to share – the TSF operations team has been nominated for a Goldcorp Global Excellence award in the category of Operational Excellence…Tierra Group has been a part of the transformation and have viewpoints that are valued from the management team here at Peñasquito."

Ross Hunsaker, Tailings and Water Manager, Minera Peñasquito Goldcorp, Inc.

Tierra Group is the consultancy of choice for the top talent in the mining industry.

Latest News

October 23, 2025
Tierra Group/BBA Consultants is excited to announce that Jacob Lopez has passed the Principles and Practice of Engineering exam!
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October 13, 2025
Tierra Group/BBA Consultants is excited to announce that Shyanne Wilson has passed the Fundamentals of Engineering exam!
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Team

MEET THE TEAM

Featured Teammate

Shyanne Wilson
Ms. Wilson is a Geological Engineer with over 2 years of experience in construction quality…...
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