Sheet North C38-39/B38-39 Somaliland GSGS 2871 [First Edition] 1926. Authorities: Triangulation Capt G A Beazeley RE 1904; Admiralry Chart 1012 1923; WO 1:500,000 compilation map of Abyssinia; surveys Capt H G C Swayne RE 1885-1893; railway survey Maj S L Craster RE 1904; varaious sketches and reports by local military and administrative officers; Italian Admiralty Chart 358 1921; Ministero della Colonie 1:2,000,000 N.588 1923, 1:1,000,000 N.358 1916, 1:4,000,000 N.491 1918; Governo della So...