BGS Geoheritage – images from the collections
Showing posts with label
Petrography
.
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Showing posts with label
Petrography
.
Show all posts
Monday, 22 October 2018
H H Thomas, the Geological Survey and the First World War
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H H Thomas ( P585032 ) In September 1916 the Geological Survey was contacted by the Admiralty Compass Department asking for assista...
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