United Nations <br/><br/>
Hydrogeological map of Zanzibar including the islands of Zanzibar and Pemba,the United Republic of Tanzania  
United Nations. - 
 - New York   United Nations  1987 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Map
<br/><br/><label>Dewey Class. No.: </label>916.780044 UNI