Image ( cartographic ; still ; 2-dimensional ; visual ) : unmediated Obbia. -- Ed. 3-GSGS. -- [London] : D. Survey, War Office and Air Ministry , 1956. -- 1 map : col. ; on sheet 72 x 60 cm. -- (GSGS ; 4646 ; Sheet NB-39 ; World 1:1,000,000). -- Scale 1:1,000,000 ; proj.: international map ; "Reprinted fro fourth edition, E.A.F. 1176 1942" ; "Reproduced by War Office, 1946" ; "Printed for D. Survey (WO and AM) by Ordnance Survey" ; Relief indicated by contours, altitude tints and spot heights ; Shows boundaries, highways and roads, rivers and water features and other details ; Includes index to adjoining sheets, reliability diagram, boundaries diagram, glossary, and metric conversion table. -- (BB03377888) ; https://ci.nii.ac.jp/ncid/BB03377888 Other Title(s): World 1:1,000,000 : Obbia. -- Author Heading(s): Great Britain. D Survey, War Office and Air Ministry ; Great Britain. War Office. General Staff. Geographical Section. -- Subject Heading(s): LCSH : Obbia (Somalia) -- Maps, Topographic