Wabi Shebelle survey : 4. Geological survey of the Wabi Shebelle basin : Maps at 1/1 000 000 and 1/250 000 with explicative notes /Bauduin, Daniel Castany, G. (dir.) /Jullien, Jean-Louis /Riché, Gilles GEOLOGIE REGIONALE GEOMORPHOLOGIE STRATIGRAPHIE SEDIMENTOLOGIE TECTONIQUE NOTICE DE CARTE CARTE GEOLOGIQUE FORMATION GEOLOGIQUE ORSTOM IGN 1972 text https://www.documentation.ird.fr/hor/fdi:07222 fdi:07222 Bauduin Daniel, Castany G. (dir.), Jullien Jean-Louis, Riché Gilles. Wabi Shebelle survey : 4. Geological survey of the Wabi Shebelle basin : Maps at 1/1 000 000 and 1/250 000 with explicative notes. ORSTOM ; IGN, 1972, 1/+, 17 multigr. EN ETHIOPIE