http://data.geoscience.gov.au/feature/ga/miningActivity/ga.miningActivityView.123456 open-pit mining 2008-06-21 2006-05-13 Lassiters gold Smiths Mining Contractors Pty Ltd 7.1 Mt 3.5 g/t Au bullion 22.6 t 90.95% surveyed 0.5 metres BHP Billiton Pty Ltd annual report, 2010 http://resource.geosciml.org/classifier/cgi/mining-activity/open-pit-mining http://data.geoscience.gov.au/feature/ga/mineView/ga.mineView.123456 http://resource.geosciml.org/classifier/cgi/commodity-code/gold http://data.geoscience.gov.au/feature/ga/miningActivity/ga.miningActivity.abc123 138.234 -26.747467