"Mai 2004."
Accompanied by: Géologie de l'Afrique, échelle chrono-lithologique = Geology of Africa, chrono-lithological scale/ coordination scientique--Milesi, Jean-Pierre ... [et al.]. 1 sheet : col. ; 86 x 83 cm.
"The geological legend at 1:10,000,000 published in the framework of the 20th Colloquium of African Geology (2-7 June 2004, BRGM Orléne, France)."
UTM WGS84 grid.
In French and English.