Bracewell, Smith. <br/><br/>
Report on the preliminary geological survey of the Potaro-Ireng district of British Guiana.  April-December, 1926. 

 - Georgetown, Demerara,  Printed in 1927, cyclostyled in 1958. 
 - 59 pages  illustrations, maps  34 cm 
<br/><br/> At head of title: British Guiana. Geological Survey Department.  "Combined court no. 21/1927." 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology--Guyana.<br/>Geology.
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Guyana.