Sheet 50-L-24 Bal'ama MDR 1510/4038 First Edition 1946. Compiled from 1:50,000 topographical survey 1944 by 512 Field Survey Coy RE Mobile Echelon. Drawn and reproduced No 1 Base Survey Drawing and Photo Process Office July 1946. Printed 512 Field Survey Coy RE Oct 1946. 11,000/10/46. Palestine Grid.