Lac de Gras Lac de Gras Lac de Gras is a lake approximately north east of Yellowknife, in the Northwest Territories of Canada. Lac de Gras was the centre of the diamond rush of the 1990s. There are two working, and one closed, diamond mines in the area, Diavik Diamond Mine, Ekati Diamond Mine, and the care and maintenance Snap Lake Diamond Mine. It was called Ekati by aboriginal peoples. The lake is ultraoligotrophic but supports a slow-growing but stable population of some eight species of cold-water fishes, including round whitefish, cisco, and lake trout. Lake trout dominate the lake, both numerically and
Jwaneng diamond mine 2,100 people. The mine also owns and operates a local hospital and Jwaneng Airport. The mine maintains an ISO 14001 certificate for environmental compliance, being the first mine in Botswana to achieve this certification in 2000. Jwaneng is known for its excellent safety record, winning multiple national and international safety awards. The Enhanced Thematic Mapper Plus (ETM+) instrument on NASA’s Landsat 7 satellite acquired this image of the Jwaneng Diamond Mine on May 17, 2001. The arid, flat landscape that fills most of this image appears in varying shades of brown, crisscrossed by pale beige roads. The Jwaneng Diamond Mine