00742cam a22002051  4500001001300000003000400013005001700017008004100034010001700075035002000092040004200112050001700154100005400171245008400225260005900309300003600368440006800404500005300472650001100525gs 18000074 DLC20260227111322.0900511s1917    at bf        f000 0 eng c  ags 18000074   a(OCoLC)21509836  aU.S. Geological SurveycTxUdTxUdDLC00aTN948.O2bT91 aTwelvetrees, W. H.q(William Harper),d1848-1919.02aA deposit of ochre near Mowbray,cby W.H. Twelvetrees, Government Geologist ...  aHobart, Tasmania,bJ. Vail, Government Printer,c1917.  a14 p.bfront. (map) pl.c22 cm. 0aGeological Survey bulletin (Tasmania. Geological Survey)vno. 5  aAt head of title: Tasmania. Department of Mines. 0aOcher.