1884. 
LEON DRU. 
GEOLOGIE ET HYDROLOGIE DU BECHTAOU. 
5C 
fl o g 
aNaooaaAir 
•epnos 
9p 
•gpnos 
ep 
•uinipos 
a'Hxa'aoïHO 
•UltllSS'BÎJod 
9p 
axij naisan 
(2881 ^no^) 
sanxn xiaaa 
•S9p^a^T'JU90 
S9Jg9p 119 
annxvaaawax 
o r-l 
