William Harper Twelvetrees

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1	Volcanic Hazards: Promoting community understanding Add to Reading List Source URL: gsa.org.au Language: English - Date: 2013-04-29 18:53:07 Geology Physical geography Climate history Ice ages Cryogenian Neoproterozoic William Harper Twelvetrees Tasmanian Museum and Art Gallery Tasmania Historical geology Glaciology Proterozoic
2	Mineral Resources Tasmania Tasmanian Geological Survey Add to Reading List Source URL: www.mrt.tas.gov.au Language: English - Date: 2005-03-01 11:09:40 Mining engineering Geology Geological surveys Oceania William Harper Twelvetrees Geology of Tasmania Royal School of Mines