A plan of the Mannor of Perveth commonly called Cwmmwd y Perveth being one of the Crown's mannors in the County of Cardigan South Wales. Describing all the wastes and commons and freeholders lands, and the courses and veins of all the mines and silver: done by order of Thos. Walker Esqr., Surveyor General of His Majesty's land revenuesA plan of the Mannor of Perveth commonly called Cwmmwd y Perveth being one of the Crown's mannors in the County of Cardigan South Wales. Describing all the wastes and commons and freeholders lands, and the courses and veins of all the mines and silver