Moles, brown spots and growths on the skin are usually harmless â but not always. Anyone who has more than 100 moles is at greater risk for melanoma. The first signs can appear in one or more atypical moles. That's why it's so important to get to know your skin very well and to recognize any changes in the moles on your body.
The North Antelope Rochelle coal mine in the Powder River Basin of Wyoming, US, is currently the world's largest coal mine by reserve. The mine was estimated to contain more than 2.3 billion tonnes of recoverable coal as of December 2012. The mine is owned and operated by Peabody Energy.
The Crowsnest Pass in southern Alberta hasn't seen a working coal mine in decades but an Australian company has a plan to change that.Sydney-based Riversdale Resources has spent almost $50 million acquiring coal properties in Crowsnest Pass, including the Grassy Mountain property north of Blairmoreâ.teve Mallyon, managing director of Australian-based Riversdale Resources, says his company's planned open pit coal mine in the Crowsnest Pass could produce two to four million tonnes of coal a year over 28 years. (Allison Dempster/CBC).