Ordnance Survey Scotland Geological Survey Series.
Great Britain.Ordnance Survey.
Southampton : Ordnance Survey,
[1858-1996].
Relief shown by contour lines.
1:10,560: County Series, quarter sheets, Provisional ed.
1:50,000: sheets 1-131, [1970-], refer to C18(28).
1:63,360: solid & drift series, Aberdeen-Wigtown, sheets 1-122, refer to C18(27).
1:253,440: based on quarter-inch 4th edition series.
Special Sheets, various scales: 1:25,000, 1:50,000, 1:63,360, 1:100,000; refer to C18(27), C18(28), C16(309).
other individual sheets, refer to: C18(101-138); C18:15-22.