Sierra Leone survey.
Great Britain.War Office.General Staff.Geographical Section.
[S.l. : s.n.],
1951-
Relief shown by form lines, contours and spot heights.
Includes index to adjoining sheets.
Sheets are generally without title, publisher, key and series number. Sheet 68 entitled "Sierra Leone 1:62,500" is of series GSGS 4709, 1st ed., published in 1951 by the War Office, sheetlines are identical to Sierra Leone survey sheets and key is included.
Set includes some original Sierra Leone survey maps.
Graphic index in central GSGS file.
Sierra Leone.