Loch Long Development : record of survey for setting out for buildings & roads, special area.
Clyde Surveys Limited.
[Maidenhead] : Clyde Surveys on behalf of Central Survey, DCES,
[1982]
Relief shown by contours. Contour V.I. = 5 feet.
Bromide prints.
Covers area to end of Coulport.
Orthophotomaps based on 1:7,500 aerial photography dated 22 Aug. 1980.
Survey job no. 27388.