Laurenson, E. M. <br/><br/>
River movements in the Markham Valley / 
by E.M. Laurenson for Commonwealth Department of Works. 
 - [Lae] :  Papua New Guinea Institute of Technology, Civil Engineering Dept.,  1972. 
 - [19 leaves] :  ill., col. port., maps ;  34 cm. 
 - Technical report ;  no. 4 Occasional research and technical bulletin /  no. R4/73 .
 - Technical report (Papua New Guinea Institute of Technology. Dept. of Civil Engineering) ;  4 Research and technical report (Papua New Guinea University of Technology) ;  R4/73 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Rivers--Papua New Guinea--Markham Valley.
<br/><br/><label>Dewey Class. No.: </label>551.483099571  / L381