Historical Photographs of China reference for this set: Nh01. Szechuan (Sichuan) Province 四川省.
Survey geologists at the Chinese National
Geological Survey Library (Zhong yang di zhi diao cha suo tu shu guan
中央地質調查所圖書館), Beipei (Beibei) 北碚, Szechuan (Sichuan) 四川
Photographs from the collection may be reproduced only with written permission. For permissions, contact the Librarian, East Asian History of Science Library, Needham Research Institute. Further information about the library and the ‘Joseph Needham Photographs – Wartime China, 1943-1946’: http://www.nri.cam.ac.uk/JN_wartime_photos/home.htm