Dear Fish
I assume form recent (paper) scheduling notifications that someone at English Heritage is maintaining SAM boundaries digitally; it would be very useful if these were disseminated to SMRs, if only to relieve some of the accuracy/liability worries of those of us who have digitised them in-house.
Whilst on the subject, if Historic Scotland can market listed building data for the entire country on CD-ROM, why is it so difficult to obtain the same information for mere districts in England?
I don't think there's much scope for anyone to maintain other protected area boundaries centrally. National Park boundaries, for example, are shown on some OS mapping but are unavailable as Boundaryline data; the British Geological Survey, no less, had to approach us directly for a digital copy of our boundary. Local planning authorities will doubtless have digitised their own conservation area boundaries etc. However having transferred some myself from highly ambiguous 30 year old map bases, it would be a nightmare to try to maintain a definitive central register: people query some boundaries on an almost weekly basis.
Chris Partrick
Yorkshire Dales National Park Authority
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