Some of the ideas discussed in this blog are published in my new book called "The Stonehenge Bluestones" -- available by post and through good bookshops everywhere. Bad bookshops might not have it....
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Thursday, 12 January 2023

Harmer's map of glacial erratics and drift, 1928



Here is the famous map of glacial erratics and drift in England and Wales, first published by the Yorkshire Geological Society in 1928.   Thje map was made by FW Harmer.  For its time, it was very detailed and comprehensive, but like most maps the density of symbols has more to do with the density of research than with the actual distribution of the things being mapped!  Click to enlarge........

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