Bengasi, Sheet 1 / compiled, drawn, and reproduced by 512 Fd. Survey Coy., R.E., Nov., 1942.Great Britain. Army. Royal Engineers. Field Survey Coy., 512th1942"M.D.R. 1006/1646"."Not to be published" printed along header.Includes glossary, list of abbreviations, reliability diagram, and list of conventional signs.cartographic