sentences:  Straw was shipped to London, for use as bedding for horses, and horse manure was transported in the opposite direction, from the bus depots of London, to be used as fertiliser on farms in the locality.Coal was delivered to Aston Clinton House from the canal, and to three gas works, which were located at Wendover, Halton and near Bucklandwharf bridge, which carries the old route of the A41 road over the canal.The coal came from the Midlands, and was used to produce coal for lighting.