found
:
Fry, J.J. Compaction at low natural moisture content, 1979:
t.p., in subtitle (Gao [Mali])
found
:
NIS gazeteer, Mali, 1966
(Gao)
found
:
LC data base, 4/21/86
(hdg.: Gao, Mali)
found
:
GEOnet, viewed 1 Oct. 2008:
Mali section (Gao, in ADM1 region Gao; seat of a first-order administrative division; 16°16'18"N 002°02'41"W)