Lamb, D. <br/><br/>
The effect of logging operations on stream turbidity levels in the rain forests of the Gogol Valley / 
by D. Lamb & Francis Beibi. 
 - Boroko :  Office of Forests,  1977. 
 - [12 leaves] :  ill., map. 
 - Tropical forestry research note ;  SR.36 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sedimentation and deposition--Papua New Guinea--Gogol Valley.<br/>Logging--Environmental aspects--Papua New Guinea--Gogol Valley.