This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
The Quarterly journal of the Geological Society of London . MOEaAKS SPATHOSEIEONOKE TEINS mentions tunnel feet above the sealevel bored through the whole thickness of one of the seams for distance of between and feet cross tunnel near the mouth of this reached coal at distance of feet The coal is carried down to the shore