Sheet Piska HIND 1107 First Edition 1945. First Edition April 45. Surveyed from 1:28,000 air photographs 2 Sep and 9 Oct 44. HIND 1107. Printed SIO(FC). Reg.No.908 F.C.E'45 (18 Party–2.3")–X'45. Grid IIB (Yards).[Grid U 56-70E, 75-85N, on quadrangles 73E/3, 73E/4, 73E/7 and 73E/8.]