North Bedburn is NOT where Bedburn is but is further away and covers a circular area roughly from Fir Tree then down to River Wear down from Fir Tree to McNeil's Bottom through to Whitton le Wear then past Whitton Park and Escomb up to High Grange, North Bitchburn, Howden le Wear then up to Crook and back down to Fir Tree. This is the area most mines were in as coal deposits were large. If any researcher finds an ancestor whose address is given as High Flat or Low Flat and cannot find any trace of those addresses, data actually relates to an area in Crook where there were houses at High Thistleflat and Low Thistleflat. This link shows where that was:
www.archiuk.com and search for Crook. My great grandfather was on the records and I have spent a long time finally finding out that the census person did not put all of the address data on the records, deciding to shorten the name.