Sheet I-38N Habbaniya GSGS 3919 (ID 9002) Third Edition 1947, reprinted K501 (GSGS 3919) Edition 3-GSGS 1958. Published WO 1941. Reprinted from ID 9002/1406 June 1942 edition. Third Edition 1947. Reproduced WO 1947. Printed for D Survey (WO and AM) by OS. 13,000/9/58/5821/OS. Grid B.