William George Maton,
Archaeologia
(1800)
“ The immediate cause of this memorable change in the state of Stonehenge must have been the sudden and rapid thaw that began the day before the stones fell, succeeding a very deep snow. In all probability the trilithon was originally perfectly upright, but it had acquired some degree of inclination long before the time of its fall. This inclination was remarked by Dr. Stukely, though it was not so considerable, I think, as is represented in his north view of Stonehenge. One of the supporters had lost much of its original bulk in consequence of corrosion by the weather, near its foundation ”
