Sheet 3M : Sheet H-38F ‘Amara GSGS 3919 Second Edition 1942, reprinted K501 (GSGS 3919) Edition 2-GSGS 1958. Compiled and published originally SGI 1924 and revised to 1940. Published WO 1931. 2nd Edition 1942. Heliographed OSO 1942. Printed for D Survey (WO and AM) by OS. 10,000/8/58/5805/O.S. Grid B.