Twelvetrees, W. H.  1848-1919. <br/><br/>
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 .
<br/><br/> At head of title: Tasmania. Department of Mines. 
<br/><br/><label>LCCN: </label>gs 18000074  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ocher.
<br/><br/><label>LC Class. No.: </label>TN948.O2  / T9