Loch Long Development : record of survey for spine road, scheme 14.
Clyde Surveys Limited.
[Maidenhead] : Clyde Surveys on behalf of Central Survey, DCES,
[1982]
Relief shown by contours. V.I. = 5 feet.
Bromide prints.
Orthophotomaps based on 1:7,500 aerial photographs date 22 Aug. 1980.
Survey job no. 27366.