International legend for hydrogeological maps. Leyenda internacional para mapas hidrogeológicos. Légende internationale des cartes hydrogéologiques. Mezhdunarodnai͡a legenda k gidrogeologicheskim kartam.
Title:
International legend for hydrogeological maps. Leyenda internacional para mapas hidrogeológicos. Légende internationale des cartes hydrogéologiques. Mezhdunarodnai͡a legenda k gidrogeologicheskim kartam.
Author:
Unesco.
Corporate Author:
Publication Information:
[Paris], [publisher not identified], [1970]
Physical Description:
101 pages : illustrations (part color), color map. ; 30 cm
General Note:
English, French, Russian and Spanish.
Language:
English
French
Russian
Spanish
Format :
Book