Peak coal black coal resources could last more than 200 years based on rate of extraction in 2007. This does not account for brown coal stocks. According to calculations conducted for the Hunter Community Environment Centre in Newcastle, the Australian state of New South Wales 10,600 million tonnes of coal reserves would be exhausted by 2042, based on current industry growth and extraction rates of about 3.2 per cent a year. Coal output peaked in 1913 in Britain at 287 Mt and now accounts for less than one percent of world coal extraction. 2007 extraction was around 15 Mt. According to the
J & A Brown South Wales. From that time the surviving member of the Brown family Stephen Brown served as a director in the new public company. In 1960, JABAS merged with Caledonian Collieries Limited to form Coal & Allied Industries Limited. After this merger, JABAS become the subsidiary company that carried out the mining operations of Coal & Allied until being renamed Coal & Allied Operations Pty Ltd in 1980. As of 2013, Coal & Allied Operations Pty Ltd is a subsidiary of Rio Tinto Coal Australia. J & A Brown J & A Brown was an privately owned Australian coal family firm