Ordnance Survey Scotland County of Clackmannan.
Great Britain.Ordnance Survey.
Southampton : Ordnance Survey,
[1859-1948].
Relief shown by spot heights, hachures.
25" County survey 1859-1863, 1st revision 1895-1899, 2nd revision 1920, 3rd revision 1931.
25" 1st ed. combined with Perth county maps.
6" 1st ed. & 2nd ed. combined with Perth county maps.