Geologica map Tahoua (Niger)The Sphaera Database at IRD brings together more than 18 000 cartographic references covering a wide geographical area, mainly tropical countries on many topics such as geology, hydrogeology, hydrology, agronomy, archeology, botany, climatology, soil science,…

Share Button

5 thoughts on “Geological maps and much more….”

Leave a Reply

Your email address will not be published. Required fields are marked *