Lac de Gras
Yellowknife, Northwest Territories, Ekati Diamond Mine, Diavik Diamond Mine
978-613-7-18624-4
6137186245
52
2011-09-30
29.00 €
eng
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Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Lac de Gras is a lake approximately 300 km north of Yellowknife, Northwest Territories, Canada. Lac de Gras was the centre of the Canadian diamond rush of the 1990s. There are two working diamond mines in the area, Ekati Diamond Mine, and Diavik Diamond Mine.It was called Ekati by aboriginal peoples. It is 60 kilometres long, with an average width of 16 kilometres and 740 kilometres of shoreline. It has a maximum depth of 56 metres. Native fish species include lake trout, cisco, common whitefish, arctic grayling, burbot, longnose sucker, and slimy sculpin.
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地理学
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