Road map, Mail Road from London to Holyhead, scale about 22 miles to 1 inch,
inserted in Paterson's Roads, by the late LtCol Paterson, map by Edward Mogg,
Charing Cross, London, 1822.
map feature:-
north point & folded & coast shaded & settlements & roads &
turnpike roads & post roads
inscription:-
printed -on- map
MAP / of the Mail Road from / LONDON to HOLYHEAD, / improved under the
direction of / The Parliamentary Commissioners.
-- title etc