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Start Over Collections Images from the History of Medicine (IHM) ✖Remove constraint Collections: Images from the History of Medicine (IHM) Authors Hoover, Herbert Clark, 1874-1964, author/translator ✖Remove constraint Authors: Hoover, Herbert Clark, 1874-1964, author/translator Publication Year 1912 ✖Remove constraint Publication Year: 1912

1. Three vertical shafts

Author(s):
Agricola, Georg, 1494-1555, author
Hoover, Herbert Clark, 1874-1964, author/translator
Publication:
London: The Mining Magazine, 1912

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