T. Suntharalingam <br/><br/>
Banka hand drilling volume measurement and simple treatment  no. QG/4/1977 
T. Suntharalingam 
 -  1977 
 - 4 p.  ill.  34 cm 
<br/><br/>Includes bibliographical references 
<br/><br/> Correct drilling techniques and paper measurement of the volume of sample are important to obtain accurate results using the Banka hand drill. The Geological Survey uses the combination of the dry bucket and water displacement method to measure the volume of sample obtained in Banka drilling 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Quarternary geology