From this period until late in life, Mr. Smith continued unceasingly his professional occupations. In 1809 he began to execute the Ouse navigation in Sussex; in 1810 he restored the hot springs of Bath, which had failed; in 1811 he examined into the causes of leakage on the Kennet and Avon Canal, and reported on trials for coals in Buckinghamshire; and in 1812-1814 executed the Minsmere drainage in Suffolk. During these and a hundred other engagements of a like nature, which furnished him with the means and occasion for incessant travelling, Mr. Smith lost no opportunity of committing to paper the result of the day's observations on the direction, dip, and aspect of the rocks he passed over during his various journies. In 1812, receiving proposals from Mr. Cary to publish his map of the strata of England and Wales, Mr. Smith recommenced his efforts to produce the great work on which he had been occupied for the space of twenty years. This map was at length published on the 1st of August, 1815, being dedicated to Sir Joseph Banks, and he received from the Society of Arts the premium of 50_l._, which had long been offered for a work of this description. The fame of its author as a great original discoverer in English geology was now secured, but it brought Mr. Smith little pecuniary benefit. Geology had kept him poor all his life by consuming his professional gains; and an unfortunate speculation, which he at this time entered into, entirely failed, and compelled him to sell the property at Bath which he had purchased in 1798. A load of debt still remained to be discharged, and in order to liquidate this he proposed selling the valuable geological collection he had been making during his past life. This collection, of which the number of species was 693, and of specimens 2657, was purchased by Government for the British Museum for a total sum of 700_l._ In 1818 Mr. Smith's claims on public notice were fairly and fully advocated by Dr. Fitton, and it was chiefly from the favourable light in which this gentleman placed his long and solitary labours, that public interest for him was stimulated, and the Geological Society, who had hitherto passed him over, was at length roused to an impartial estimate of the value of his works. This resulted in the passing of a resolution in February, 1831, "That the first Wollaston medal be given to Mr. William Smith, in consideration of his being a great original discoverer in English Geology; and especially for his having been the first in this country to discover and to teach the identification of strata, and to determine their succession by means of their imbedded fossils." The following year he received from the Crown a pension of 100_l._ a-year. Previous to this, however, the state of Mr. Smith's finances compelled him to be unceasingly occupied in various professional engagements; and on one of these occasions, being engaged by Colonel Braddyll to make a general