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All designs © Transport for London.
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(March) 1985 1985, Ref. A 385/12086/1,000M(2777) |
← Watford and Croxley were incorrectly indexed as being in grid C1 (because when the diagram was redrawn these two stations were moved to B1), but the index was not updated accordingly. In the second printing the index was corrected. | 
(June) 1985 1985, Ref. A 685/13010/1,000M(400A) |
(March) 1986 1986, No. 1 386/16713/1,000M(1181A) |
(June) 1986 1986, No. 2 686/18127/1,000M |
These two maps are identical, except that the reprinted version has an advertisement for “American travel agents”. |
(June) 1986 1986, No. 2 686/18410/150M(1656A) |
1986, No. 3 (None) |
1986, No. 4 (None) |
(January) 1987 1987, No. 1 (None) |
