British Guiana :  sheet 7 / 
Directorate of Overseas Surveys D. O. S. 957. 
 - Fifth edition 
, 20 - 80 miles 
 - [London?] :   Directorate of Overseas Surveys D. O. S. 957,   1959 
 - 1 map :  colour;  43 cm x 46 cm 
<br/><br/> Map of British Guiana published by Directorate of Overseas Surveys D. O. S. 957 1959. 
<br/><br/><label>Subjects--Geographic Terms: </label><br/>--Maps