Distinctive Features: Relief shown by hachures. Depth shown by soundings and isolines. An enlarged photographic copy of a nautical chart dated 25 August 1933 and reviewed 5 October 1933, with title, dates and annotation inserted in hand at the bottom right-hand corner. Shows the waters nort...
Distinctive Features: Depth shown by isolines and soundings recorded in feet. An enlarged photographic copy of a chart dated 25 August 1933 showing Sitrah Channel with the submarine pipe line and the position of anchorage added in red ink.
Distinctive Features: Blueprint sketch map enclosed with a letter No. PA-1, dated 7 February 1934 (folio 209), showing the reserved area for a permanent Bahrain Petroleum Company camp with the position of the triangulation station marked.
Distinctive Features: Depth shown by isolines and soundings recorded in feet. A blueprint map no. B-953 dated 9 February 1934 compiled by the Bahrein Petroleum Company, Producing Department, sent with a letter no. C/105-10/1.VI. Shows the submarine pipe line with terminal and a pump station...
