The County of York Surveyed in MDCCLXVII, VIII, IX and MDCCLXX.
Engraved by Thomas Jefferys, Geographer to His Majesty. MDXXLXXI.
Published according to Act of Parliament, 25 March 1772 by T Jefferys,
Corner of St Martins Lane Charing Cross London.
First map of the county on such a large scale, beautifully engraved giving
minute details, and printed on 20 plates. Plate size: 23 ins x 24 ins approx.
Overall size of 20 plates together: 115 ins x 92 ins approx.
Maps had mainly and previously been compiled from Saxton`s survey. This
was an entirely new survey from which most succeeding maps of the county
down to the Ordnance survey in 1815 - 1817 were compiled.
Jefferys map of Yorkshire was the second county map to use Greenwich
as the Meridian. (All the above from: Whitaker, Maps of Yorkshire, YAS, 1933.)
The three year survey was at the scale of One Inch to the Mile.