| Notes: | Relief shown by contours, hachures, and spot heights.
Panel title. Some maps have "Includes rights of way" at head of panel title.
Map quadrangle subtitle and no. appear at head of panel title and in upper margin, e.g.: Strathyre. Sheet NN 41/51 -- Grange-over-Sands. Sheet SD 37/47 -- Gamlingay and Comberton. Sheet TL 25/35. Alternate 3-digit numbering also appears on title panel of some maps.
Revision statements vary according to year: Revised for significant changes [year]. Major roads revised [year].
Related series separately issued under the title "Pathfinder" with 3-digit numbering, e.g.: Pathfinder 368 -- Pathfinder 747.
National grid.
Designed to be folded to ca. 23 x 12 cm.
Includes notes, sheet index map, and location map. Some maps also include publisher's map list and blank area.
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