A volume of manuscript maps and accompanying references, being a survey made by Richard Owen in 1805 of the Plasbrith estate, the property of Edward Anwyl, comprising Maes y Branar and Braych Bedw, parish of Llanfachreth, Penydre, parish of Gwyddelwern, and Llety Ryse, Werngoch, Perthillwydion, Llwyn y Talcian, and Hafod y Goeswen, parish of Dolgelley, Merioneth.