Lowham Walsh’s experience and capabilities in the mining sector include the evaluation and assessment of exploration opportunities, computerized mineral resources and reserve estimations, and feasibility studies. Our expertise extends to a variety of environmental services such as air, gas, and water quality monitoring, statistical analysis, modeling, reporting, and permitting throughout Wyoming and the surrounding states. 

Mining and exploration services: 

  • Exploration data development into 3-d block models
  • Mining technical reporting  including NI 43-101, PEA’s, and Pre- Feasibility

Select projects:

  • Wyoming Abandoned Mine Land (AML) Reclamation:  Lowham Walsh is currently involved in working on reclaiming several abandoned mine lands throughout the state of Wyoming as part of the Wyoming AML program.
  • Washington state:  NI-43-101 PEA compliant report for open pit and underground  Au/Ag mine
  • Nevada:  NI-43-101 compliant PEA and Pre-Feasibility reports for three open pit Au mine
  • Wyoming Coal:  Mine design, scheduling, production planning and  reclamations plans
  • Wyoming U3O8:  Exploration, modeling, design and economic evaluations
  • Colorado U3O8:  Geotechnical evaluations, designs and pit dewatering designs
  • Nevada Gold:  Exploration, modeling, economic evaluations, permitting, leach pad design and reclamation planning
  • Nevada Base & Precious Metals:  Permitting, feasibility and startup plans
  • Idaho Molybdenum:  Permitting, startup plans design of ARD mine waste dumps and monitoring
  • Alaska:  Remote subsurface exploration for aggregate resources, construction materials inventories, rip-rap/armor stone assessments, geotechnical foundation exploration, access route alignment, facility siting and design
  • National Petroleum Reserve-Alaska:  Borrow resource exploration and mine development; geotechnical exploration - oilfield infrastructure