Himalayas Tibet Geology 1908 Hayden significant map w/ rare Calcutta imprint

(Old Books, Early 20th Century Books, Asia, India, Geology, Geography, Himalayas, Illustrated Books, Books with Maps).A Sketch of the Geography and Geology of the Himalaya Mountains and Tibet by Colonel S.G. Burrard and H. H. Hayden. Part IV - The Geology of the Himalaya.Published 1908, Calcutta, India by Superintendent Government Printing. Sold at the Office of the Trigonomical Survey, Dehra.c. 100 pages. Text in English. Assortment of folding maps, including a very large and historically significant early "Geological Map of the Himalayas".Publisher's heavy paper wrappers, suite of maps and plates at rear. Volume IV only (of four). Large folding color lithographed map printed in Calcutta India, a very early geological scientific map of the mountain range. Also includes 8 other smaller mostly single page color maps and several cross sectional diagrams.Book is physically old and shows some signs of handling and time. Book is not new or in "new" condition. Huge folding map is fresh and c