Mackenzie River basins, mostly in Alberta. The cold northern permafrost regions beyond the Arctic Circle are very sparsely populated, mainly by indigenous peoples. Most of the Mackenzie watershed is unbroken wilderness and human activities have little influence on the overall water quality, although there are some localized impacts. Some parts of the Mackenzie basin are rich in natural resources – oil and gas in the Northwest Territories and in central Alberta, lumber in the Peace River headwaters, uranium in Saskatchewan, gold and zinc in the Great Slave Lake area and tungsten in the Yukon. As of 2003 there were two operational gold
The Spring River Flows East Anita Yuen, Carina Lau, and Chen Daoming, but the newer version is translated into English as "The River Flows Eastwards". An operatic adaptation by Hao Weiya under the title "Yi Jiang Chunshui", with libretto by Luo Zhou and Yu Jiang, was premiered at the Shanghai Grand Theater in October 2014. The Spring River Flows East The Spring River Flows East, also translated as The Tears of Yangtze, is a 1947 epic Chinese film written and directed by Cai Chusheng and Zheng Junli and produced by the Kunlun Film Company. It is considered one of the most influential and extraordinary Chinese