Davies, R. A. <br/><br/>
Ritter Island -- 1972 activity / 
by R.A. Davies. 
 - [Port Moresby] :  Dept. of Lands, Surveys & Mines,  1973. 
 - [4 leaves] :  2 maps ;  30 cm. 
 - Note on investigation  no. 73-008 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Volcanoes--Papua New Guinea--Ritter Island.