W. & A.K. Johnston's "three mile to inch" cycling and automobile map for Edinburgh, Perth & Dundee districts.
W. & A.K. Johnston Limited.
Edinburgh : W. & A.K. Johnston,
[ca. 1920].
"Engraved and lithographed by W. & A.K. Johnston, Edinburgh & London".
Dated from advertisement and internal evidence.
Relief shown by contuors, spot heights and hill names printed in orange ; bathymetric tints.
Roads