Combined index shewing Civil Parishes and the Ordnance Survey maps of Merionethshire on the 6 inch and 25 inch scales [and Petty Sessional Divisions]
Surveyed: 1873 to 1888, Revised: 1899 to 1914, Published: 1935 Size: sheet 57 x 47 cm (ca. 22 x 19 inches)