Tobruch defences (12 Jan. 1941) /
[Cairo] : Reproduced by 512 [A. Fd. Svy.] Co. R.E.,
[1941]
"D.R. 58".
"This sheet is gridded with "Purple" grid based on Long. 27 [degrees] E. The grid is printed in black to give greater accuracy for artillery purposes".
Reproduced by 512 (A. Fd. Svy) Coy. R.E. from an Italian map dated 1936.
Rev. from air photographs dated 1939.
Lacks lower border, although marginal information is present, should have extension southwards.
Donated by James C. Donaldson, 1979.