On March 9, 2018 a “limited breach” of the tailings dam at the North Tailings Facility of the Cadia Mine tailings impoundment occurred in New South Wales, Australia. The area of the failure is approximately 270 m across, with a back-scarp of about 100 m. The runout was about 370 m. All things considered, it could have been worse. The mine owner, Newcrest Mining Limited, has ceased mining operations while they deal with the issue, and has begun radar monitoring. No additional movement had been detected as of last week. More information can be found in the briefing given to shareholders, and in the initial press release. Image: Newcrest Mining Limited
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An article in the Seattle Post Intelligencer discusses how the era of building massive dams that ended in the late 1960s with the completion of Glen Canyon Dam may be on its way to a resurgence because of booming populations throughout the west and a desperate need for water. This comes at a time when the USBR and other agencies are in the process of tearing down some dams. Of course the environmental hurdles and opposition to new dam projects will likely kill many of the projects before they get started. But in the absence of any kind of limits on population growth, there may not be many other options. Read on to see where major dam projects are being considered. (Photo by Molas)