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827 documents · Page 15 of 42

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Spatial Organization and Habitat Selection Patterns of Barren-Ground Grizzly Bears in the NWT and Nunavut, Final Report to the West Kitikmeot Slave Study Society (McLoughlin & Messier, November 1999)
1 November 1999Report
This final report documents a satellite telemetry study of barren-ground grizzly bears in the Slave Geological Province (1995-1999), identifying three populations (North Slave, Bathurst Inlet, Kugluktuk), characterizing habitat selection patterns, home range sizes, seasonal movements, and denning ecology to inform mining development management decisions.
Grizzly Bear Wildlife Habitat Assessment Development Plans
Operational Material Characterization and Monitoring of Weathering at Huckleberry (Huckleberry Mines Ltd., October 1999)
27 October 1999Presentation
Huckleberry Mines Ltd. presents operational material characterization and weathering monitoring procedures for their porphyry copper deposit, including ARD assessment of waste rock types, daily digging plans based on NPR and copper grade classification, and integrated water quality and materials handling monitoring protocols.
Waste Rock Acid Rock Drainage Geochemistry Development Plans
Environmental Assessment Information Update #2, BHP Ekati Diamond Mine Expansion (MVEIRB, October 1999)
18 October 1999Memo
The Mackenzie Valley Environmental Impact Review Board distributes a regular update on activities related to the BHP Ekati Diamond Mines expansion and Ranger Oil pipeline development, documenting community consultations and environmental assessment progress for the proposed Pigeon, Beartooth, and Sable Kimberlite Pipes.
Development Plans Environmental Agreement Traditional Knowledge
Best Practices and Reporting Guidelines for Exploration and Mining Companies (PDAC, October 1999)
1 October 1999Report
Draft best practices and reporting guidelines for mineral exploration and mining companies in Canada, developed by a committee of industry associations to establish standards for technical reporting and exploration program design by Qualified Persons. The document provides detailed procedures for geological work, sampling, drilling, analysis, and resource estimation to maintain public confidence and assist securities regulators.
Exploration Development Plans Regulatory
Project Description, Proposed Development of Sable, Pigeon and Beartooth Kimberlite Pipes, Ekati Diamond Mine (BHP Billiton, October 1999)
1 October 1999Regulatory Filing
BHP Diamonds Inc. proposes to develop three additional kimberlite pipes (Sable, Pigeon, and Beartooth) at the Ekati Diamond Mine in the Northwest Territories to extend mine life from 15 to 18 years. The project description outlines mining methods, waste and water management strategies, infrastructure requirements, and environmental mitigation measures for the three new open pit operations, prepared in response to Mackenzie Valley Environmental Impact Review Board requirements and incorporating community consultation feedback.
Development Plans Waste Rock Wastewater
Environmental Assessment (EA) Information Update #1, BHP Ekati Diamond Mines Expansion (MVEIRB, September 1999)
20 September 1999Memo
The Mackenzie Valley Environmental Impact Review Board distributes a regular update on environmental review activities for the BHP Ekati diamond mine expansion and the Ranger Oil/Canadian Forest Oil/Chevron natural gas development, outlining required consultations, development descriptions, and next steps in the environmental assessment process.
Development Plans Regulatory Traditional Knowledge Exploration
King Pond Fish Community and Habitat Survey, Ekati Diamond Mine (BHP Billiton, September 1999)
1 September 1999Report
This 1999 fish community and habitat survey of King Pond at the Ekati Diamond Mine assessed the lake prior to its proposed use as a settling pond for the Misery Pit. The survey found a sparse, recently colonized Arctic grayling population of uniform age (four years) with high growth rates, along with limited overwintering habitat and poor stream connectivity to surrounding waterbodies.
Fish Habitat Aquatic Effects Monitoring (AEMP)Monitoring
Assessment of Ecological Effects from Cadmium Releases, Proposed Diavik Diamond Mine (Gartner Lee, September 1999)
1 August 1999Report
This environmental assessment evaluates the potential ecological effects of cadmium releases from the proposed Diavik Diamond Mine on Lac de Gras, examining cadmium sources, environmental fate, bioaccumulation in aquatic organisms, and predicted adverse effects on aquatic life including fish, invertebrates, and sediment-dwelling organisms.
Aquatics Water Quality Development Plans
Request to Copy IEMA on Environmental Matters, Ekati Diamond Mine (IEMA, July 1999)
16 July 1999Letter
The IEMA requests that the Mackenzie Valley Environmental Impact Review Board copy the Agency on all environmental matters related to BHP's Ekati Diamond Mine project to fulfill its mandated role as a public watchdog and maintain a public repository of environmental data and reports.
Correspondence Environmental Agreement Regulatory Monitoring
Duthie Mine Acid Rock Drainage Case Study (Silver Standard Resources, June 1999)
24 June 1999Report
A comprehensive case study and historical inventory of the Duthie Mine in British Columbia, documenting its operational history from 1908 to 1988, mining production records, geological characteristics, tailings management, and water quality monitoring efforts. The document includes detailed MINFILE records of ore grades, commodity recoveries, and reclamation activities spanning multiple decades of ownership and operation.
Waste Rock Water Quality Closure & Reclamation Development Plans Monitoring Geochemistry
BHP Diamonds Inc. Newsletter, Issue 1, Ekati Diamond Mine (BHP Billiton, May 1999)
1 May 1999Report
BHP Diamonds Inc. May 1999 newsletter reporting on operations at the Ekati Diamond Mine, including opening of the Sorting and Valuation Facility in Yellowknife, first aid competition results, employee updates, socio-economic agreements with northern communities, safety initiatives, and recognition of the frozen core dam design as a 1999 CEA Showcase Award winner.
Development Plans Monitoring Waste Rock Water Quality
14th Board of Directors Meeting Package (IEMA, July 1999)
16 April 1999Meeting Minutes
Minutes from the 13th Board of Directors Meeting of the Independent Environmental Monitoring Agency (April 16-18, 1999) documenting discussions on Ekati Diamond Mine operations, including budget negotiations with BHP, kimberlite toxicity studies, tailings management concerns, fish habitat compensation planning, and regulatory processes for mine expansion applications involving Sable, Pigeon, and Beartooth kimberlite pipes.
Board Meetings Minutes Water Quality Fish Habitat Development Plans
Air Quality Monitoring at the Ekati Diamond Mine Using Vegetation and Lichens as Bioindicators (ABR Inc., 1999)
1 April 1999Report
This report documents the initial air quality monitoring program at the Ekati Diamond Mine using vegetation and lichens as bioindicators, including a comprehensive literature review on the use of lichens and mosses for detecting atmospheric contaminants and 1998 baseline results comparing trace metal concentrations in lichen tissue between project area and reference area stations.
Air Quality Monitoring Particulate Matter Development Plans Water Quality
State of Knowledge Report, West Kitikmeot/Slave Study Area (West Kitikmeot/Slave Study Society, April 1999)
1 April 1999Report
A comprehensive state of knowledge report on the West Kitikmeot/Slave Study area covering environmental, ecological, and human dimensions, including climate, geology, ecosystems, human pressures, and research needs. The report integrates scientific and traditional knowledge about the region's ecosystems and documents environmental stresses from mining, development, and other human activities.
Traditional Knowledge Wildlife Water Quality
Protecting Traditional Ecological Knowledge in Environmental Assessments and Land Use Studies: Mechanisms and Recommendations (Natural Resources Institute, University of Manitoba, April 1999)
1 April 1999Report
A comprehensive report examining mechanisms for protecting traditional ecological knowledge (TEK) in Canadian environmental assessments and land use studies, with case studies including the Ekati Diamond Mine project, and recommendations for legal and non-legal protective frameworks for First Nations proprietary knowledge.
Traditional Knowledge Development Plans Yellowknives Dene Environmental Agreement Monitoring
Reclamation Cost Estimate for Closure in 1999, Ekati Diamond Mine (BHP Billiton, March 1999)
4 March 1999Report
This document provides a detailed reclamation cost estimate for the Ekati Diamond Mine assuming closure in 1999, broken down by reclamation unit (Panda Pit, Panda Waste Dump, Long Lake Containment Area, Buildings and Facilities, and Chemicals/Contaminated Soils), with a total estimated closure cost of $6,671,716 including 10 years of post-closure monitoring.
Closure & Reclamation Closure Plan Post-Closure Monitoring Development Plans
Project Description, Proposed Development of Sable, Pigeon & Beartooth Kimberlite Pipes, Ekati Diamond Mine (BHP Billiton, February 1999)
1 February 1999Regulatory Filing
BHP Diamonds Inc. proposes development of three additional kimberlite pipes (Beartooth, Pigeon, and Sable) at the Ekati Diamond Mine in the Northwest Territories, utilizing open pit mining methods and existing site infrastructure. The document details mining methods, waste rock and water management strategies, environmental impacts and mitigation measures, and reclamation plans including post-closure pit lake development for fisheries habitat replacement.
Development Plans Waste Rock Fish Habitat Wildlife
Environmental Agreement Annual Report, EKATI Diamond Mine (BHP Billiton, 1998)
1 February 1999Report
BHP Diamonds Inc.'s 1998 Environmental Annual Report documents the first year of full diamond mining operations at the Ekati Diamond Mine in the Northwest Territories, detailing environmental management practices, monitoring programs, and operational sustainability across water, air, wildlife, and land resources.
Development Plans Monitoring Water Quality
Kodiak Lake Management Plan, Modeling Component, Ekati Diamond Mine (BHP Billiton, January 1999)
4 January 1999Report
This report presents a water quality modeling study of Kodiak Lake at the Ekati Diamond Mine using the WASP/EUTRO model to assess the lake's assimilative capacity for treated sewage effluent and determine maximum allowable loads of BOD, ammonia, and phosphorous while maintaining adequate dissolved oxygen levels for fish health. The study includes calibration scenarios based on 1997-1998 monitoring data, baseline predevelopment conditions, and predictive modeling to establish loading limits under both open-water and ice-covered seasons.
Water Quality Monitoring Wastewater Regulatory
Environmental Impact Assessment Guidelines, Section 3: Principles of Environmental Impact Assessment (MVEIRB, 1999)
~1999Report
Approximate date — inferred from filename
This document outlines the principles, history, and good practices of environmental impact assessment (EIA) under Canadian law and the Mackenzie Valley Resource Management Act. It explains EIA's role in predicting development impacts, emphasizes early public involvement and integration with project planning, and describes EIA as a tool for sustainable development in the Mackenzie Valley.
Development Plans Environmental Agreement Traditional Knowledge Regulatory Closure & Reclamation

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827 documents · Page 15 of 42