An important archive on the geology of the Lake District – Lake District – Jonathan Otley, Clockmaker and Geologist important group of ms documents including letters, sketch maps etc relating to Otley (1766-1856) one of the most important of the early geologists of the Lake District. The collection includes letters to Otley from correspondents discussing geological matters, letters by Otley, including a paper on the phenomena of floating islands, a draft will of a local resident leaving property to Otley, notes of a visit to Scarfell Pike ‘with Mr Dalton’ (doubtless John Dalton, discoverer of atomic theory, who was a friend of Otley from childhood) and approx five ms maps drawn by Otley, one being a fine plan of Wasdale Head, and another of ‘The Scroggs’, Otley’s birthplace. Approx 25 separate documents in all. Otley lived his entire long life in the Lake District and was a self taught horologist, guide, surveyor, map maker, meteorologist, natural historian and geologist.