Archif6155676TeitlEmergency Recording CollectionLefelSub-groupDisgrifiadPorthmawr, boundary wall, Crickhowell; measured drawings and photocopies of photographs received in the course of Emergency Recording case ref no ER/BR/2000/110, filed in nprn order.CyfrwngGraphic, Photo.Delweddaun
Archif6544878TeitlCLBN_WRH_013_26 - Cadw Listed Buildings 35mm Colour Negative CollectionLefelItemDisgrifiadColour negative showing wall and barn to Porthmawr House, Crickhowell, produced by William R. Hughes, Cadw, October 1985.CyfrwngPhoto.Delweddaun
Archif6190115TeitlAP_2005_1853 - RCAHMW Colour Oblique Digital Aerial PhotographsLefelItemDisgrifiadRCAHMW digital colour oblique photograph of Porth Mawr Boundary Wall, Crickhowell, viewed from the west. Taken on 02/09/2005 by T.G. Driver.CyfrwngPhoto.Delweddauy
Archif6544960TeitlCLBN_WRH_015_08 - Cadw Listed Buildings 35mm Colour Negative CollectionLefelItemDisgrifiadColour negative showing enclosing wall at Porth Mawr, Crickhowell, produced by William R. Hughes, Cadw, October 1985.CyfrwngPhoto.Delweddaun
