00771cam a22002171 4500 gs 18000074 DLC 20260227111322.0 900511s1917 at bf f000 0 eng c gs 18000074 (OCoLC)21509836 U.S. Geological Survey TxU TxU DLC TN948.O2 T9 Twelvetrees, W. H. (William Harper), 1848-1919. A deposit of ochre near Mowbray, by W.H. Twelvetrees, Government Geologist ... Hobart, Tasmania, J. Vail, Government Printer, 1917. 14 p. front. (map) pl. 22 cm. Geological Survey bulletin (Tasmania. Geological Survey) no. 5 At head of title: Tasmania. Department of Mines. Ocher. 25818 25818