Wilford, G. E. <br/><br/>
Penrissen area, west Sarawak, Malaysia 
G. E. Wilford with contributions by C. H. Kho 
 -  1965 
 - xiii, 195 p.  ill., maps, photos  26 cm.+  1 map 
<br/><br/> Explanation of sheets 0-110-2, 1-110-13 and 1-110-14 
<br/><br/>Includes bibliographical references 
<br/><br/> Report 2 describes the geology and mineral resources of the Penrissen area of west Sarawak. This area, about 425 square miles, is bounded by longitude 110'30' E, in the north by latitude 10 15'N and in the south by the international border with Kalimantan (Indonesian Borneo)