Geological Survey of Illinois. A. H. Worthen, Director. : 9781240911554 : 10 Jan 2011 : bTitle:/b Geological Survey of Illinois. A. H. Worthen, Director.br/br/bPublisher:/b British Library, Historical Print Editionsbr/br/The British Library is the national library of the United Kingdom. It is one of the world's largest research libraries holding over 150 million items in all known languages and formats: books, journals, newspapers, sound recordings, patents, maps, stamps, prints and much more. Its collections include around 14 million books, along with substantial additional collections of manuscripts and historical items dating back as far as 300 BC.br/br/The GEOLOGY collection includes books from the British Library digitised by Microsoft. The works in this collection contain a number of maps, charts, and tables from the 16th to the 19th centuries documenting geological features of the natural world. Also contained are textbooks and early scientific studies that catalogue and chronic