01010cam a22002651a 4500 gs 14000754 DLC 20260227111316.0 900511s1914 at abf f000 0 eng c gs 14000754 (OCoLC)21509531 U.S. Geol. Survey TxU TxU ICRL DLC premarc u-at-tm QE346 .A3 no. 17 Twelvetrees, W. H. (William Harper), 1848-1919. The Bald Hill osmiridium field / by W.H. Twelvetrees. Hobart : John Vail, Govt. Printer, 1914. 44 p., [4] leaves of plates : ill., folded maps ; 22 cm. Geological Survey bulletin ; no. 17 At head of title: Tasmania. Department of Mines. "Issued under the authority of the Honourable J.E. Ogden, Minister for Mines." Mines and mineral resources Australia Tasmania. Geological Survey bulletin (Tasmania. Geological Survey) ; no. 17. 25426 25426