Wau mine upgrading draft  environmental plan/ 
Natural   Systems Research Pty. Ltd. [for] NGG Holding Ltd. 
 - Hawtorn:  Natural Systems Research,  1984 
 - 2 v. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Gold mines and mining--Environmental aspects--Papua New  Guinea--Wau Region<br/>Environmental impact analysis--Papua New Guinea--Wau Region