Mining

/Mining
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Taos County Questa Chevron Mine Closure

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Preliminary task to review the record of decision related to mine operations and the subsequent closure of the Chevron molybdenum mine.   Review includes feasibility of reclamation standards and compliance with NEPA requirements, specifically associated with tribal consultation under the national historic preservation act. Additional review of possible grant funding for economic development within affected [...]

Cripple Creek Carlton Mine Wastewater

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The Carlton Mill administrative offices of Cripple Creek/Victor Gold Mining Company (CC/V) were served by a septic tank and leach field, both of which were located below a proposed heap-leach pad. Discharge from the wastewater system was expected to cause water table mounding below the leaching pad, which would confuse analysis of pad leakage by [...]

Cosmos Hills Generative Mineral Exploration

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WHPacific conducted geologic mapping along with soil and rock sampling in the Cosmos Hills under contract to NANA Regional Corporation. This was part of a long-term effort on behalf of NANA to encourage discovery and development of additional mineral resources in the region. In addition, core logging was conducted on selected mineralized structures within the [...]

Tyrone Copper Mine Water Supply

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WHPacific investigated sources of water and designed a water supply system for Tyrone Copper Mine near Silver City, New Mexico. The project area is semiarid and most water resources were already committed. As part of the investigation, the groundwater potential of alluviums along Gila River was evaluated. WHPacific furnished geological supervision for drilling and testing [...]

POGO Gold Mine

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WHPacific designed a dormitory expansion for the POGO Gold Mine. The facility was constructed offsite to decrease delivery time and shipped to the mine in modules for final assembly. This project included Fire Marshal permits and support for the construction company for day-to-day basic assembly and answering engineering questions at the factory and on-site. WHPacific [...]

Pebble Mine Groundwater Monitoring

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WHPacific conducted collection of surface water samples and discharge measurements at various stream and river locations across the site. Samples were collected for various metal and mercury analysis. For groundwater sampling, the project team established hydrogeologic parameters (such as potentiometric levels and hydraulic conductivity values), and assessed groundwater quality in areas of mineralized barren rock, [...]