Description: [caption id="" align="aligncenter" width="430" caption="View of the Mineralogy/Geology Hall in the new United States National Museum, now the National Museum of Natural History, soon after it was completed, 1911, by Unidentified photographer (Thomas W. Smillie?), Photographic print, Smithsonian Institution Archives Record Unit 79 Box 9 Folder 1A and Record Unit 95 Box 44