Ordnance Survey First Series: Yorkshire 260
The Yorkshire 260 sheet was part of the Ordnance Survey's "First Series" of county maps and was surveyed between 1848 and 1851.
The Ordnance Survey first undertook a full surveying of the country between 1842 and 1893, which resulted in the "First Series" of maps. These were published as a series of large sheets for each county at a scale of six inches to the mile or 1:10,560.
Published in 1854, the Yorkshire 260 sheet covers the following area: