DATASET in AFRICA ?

[Nalneesh Gaur]

Does any body know of any

soils dataset
Vegetation index dataset 
Geology dataset 

in northern AFRICA. I would appreciate any 
information to these datasets.

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                                    #####    #####     #  %
% Nalneesh Gaur                      #    #     #       #  %
% Riverside Technoloy Inc.,          #    #     #       #  %
% 5840, Banneker Road, Suite 170     #####      #       #  %
% Columbia, MD 21044                 #   #      #       #  %
% USA                                #    #     #       #  %
%                                                          %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%