Jacobson, G. <br/><br/>
Preliminary appraisal of groundwater resources, Markham Valley, New Guinea / 
by G. Jacobson. 
 - [Port Moresby] :  Geological Survey,  1971. 
 - (various pagings). 
 - Note on investigation ;  71-005 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water-supply, Rural--Papua New Guinea--Markham Valley.<br/>Groundwater--Papua New Guinea--Markham Valley.