00981cam a22002531a 4500001001300000003000400013005001700017008004100034010001700075035002000092040004300112042001200155043001200167050002200179100005400201245005900255260004700314300006300361490004100424500005300465500008300518650005400601830007200655gs 14000754 DLC20260227111316.0900511s1914    at abf       f000 0 eng c  ags 14000754   a(OCoLC)21509531  aU.S. Geol. SurveycTxUdTxUdICRLdDLC  apremarc  au-at-tm00aQE346b.A3 no. 171 aTwelvetrees, W. H.q(William Harper),d1848-1919.14aThe Bald Hill osmiridium field /cby W.H. Twelvetrees.  aHobart :bJohn Vail, Govt. Printer,c1914.  a44 p., [4] leaves of plates :bill., folded maps ;c22 cm.1 aGeological Survey bulletin ;vno. 17  aAt head of title: Tasmania. Department of Mines.  a"Issued under the authority of the Honourable J.E. Ogden, Minister for Mines." 0aMines and mineral resourceszAustraliazTasmania. 0aGeological Survey bulletin (Tasmania. Geological Survey) ;vno. 17.