CONSULTING SERVICES

Itasca Denver, Inc. (Itasca Denver) is a specialized hydrogeologic consulting company that is committed to using appropriate levels and methods of investigation, to considering both technical and economic factors, and to providing practical solutions by applying the best available technology. Itasca Denver is well versed in current hydrogeologic and environmental issues and is frequently called upon to address challenging or non-standard problems. Itasca’s principal hydrogeologists and engineers understand the unique hydrogeologic (flow and quality) problems associated with mining, oil and gas, and industrial sites, as well as the logistical constraints that are often encountered in solving problems for these types of sites. All of the principals at Itasca Denver have more than 25 years of experience in the mining and environmental industries; that experience ranges worldwide and includes fieldwork for baseline data collection/characterization, the design of dewatering systems for mining and construction projects, the application of advanced numerical modeling tools in order to solve difficult or unusual problems, and third-party reviews and expert witness testimony. From the simplest to the most complex environmental and hydrogeologic assignments, the specialists at Itasca Denver apply their extensive practical and field experience as well as unparalleled knowledge of state-of-the-art numerical modeling and analysis techniques.

Itasca Denver is very familiar with the ways that hydrogeologic and geochemical data are obtained and managed. We offer consulting services wherein we provide customized solutions that meet each of our client’s needs related to the management and presentation of hydrogeologic and geochemical data.

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Itasca Denver specializes in site assessment, data analysis, evaluation of the impacts on water resources, the selection of remediation systems, and the implementation of remedial actions that lead to the closure of sites where contaminated soil and groundwater are encountered.

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Itasca Denver has far-reaching knowledge related to conducting field and laboratory investigations with the purpose of acquiring hydrogeologic and geochemical data.

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Itasca Denver’s hydrogeochemists have broad experience in evaluating the chemical characteristics of soil, tailings, waste rock, groundwater, and surface water at mining and environmental sites. The company’s comprehensive evaluation of hydrogeology and geochemistry provides an integrated approach and can facilitate a more thorough understanding of complex groundwater and surface-water systems.

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Itasca Denver has extensive experience in deciphering complex hydrogeologic systems, such as those associated with ore bodies, highly-fractured bedrock, and complex depositional and/or tectonic environments. Our expertise and experience enable us to solve complex problems using effective methods and to clearly communicate study results to our clients as well as to other stakeholders.

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Our experienced staff of hydrogeologists, geologists, and geochemists enables us to address virtually all aspects of mining hydrogeology, including dewatering, depressurization, water quality, mine-water disposal, water supply, water management, permitting and regulation, and field investigations.

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Itasca Denver developed MINEDW ™, which is a sophisticated, three-dimensional, finite-element groundwater flow program. Itasca Denver uses MINEDW ™ to design dewatering and depressurization systems for open pits and underground mines, predict local and regional environmental impacts of mine dewatering, assist in the design of water-supply systems, simulate the infilling of pit lakes after mining ceases, and estimate pore-pressure distributions within highwalls for geotechnical design purposes. Itasca Denver also developed the code GHLS, which is a two-dimensional, finite-element code used for the prediction of gold production from heap-leach pads. The code (an unsaturated chemical transport code) has been used to predict gold production along with the design and optimization of leaching operations. It has also been successfully used to estimate the time for draindown of leach pads. Itasca Denver is also well-versed and widely experienced in the use of other codes in the analyses of saturated and unsaturated groundwater flow, chemical transport, and surface-water systems. Itasca geochemists have developed and used various suites of geochemical codes to predict the acid mine drainage potential and water quality of pit lakes and mine waters.

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Hydrogeologists and geochemists at Itasca Denver have strong backgrounds in providing a variety of niche services in support of environmental and operational studies in oil and gas fields. Itasca Denver’s oil and gas experience ranges from the evaluation and permitting of deep-injection water-disposal wells to the assessment of potential water-quality changes associated with road traffic/maintenance, drilling, and hydraulic fracturing operations to the geochemical fingerprinting of hydrocarbon sources.

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Itasca Denver's staff has extensive experience with the environmental permitting process in the United States and Canada. We have worked closely with different mining companies, with federal, state, and local government agencies, as well as with other consultants and subcontractors; through these interactions, we have earned a solid reputation for our ability to combine highly-defensible technical work with the appropriate level of regulatory interaction throughout the environmental permitting process.

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