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The economy of a coal-field
an exposition of the objects of the Geological and Polytechnic Society of the West Riding of Yorkshire, and of the best means of attaining them -
A Report of the important hearing on the memorial of the New England Coal Mining Company
for encouragement from the state -
Extracts from a report made to the Maryland Mining Company
on the estate of said company, in the county of Allegany, Maryland -
Light and truth
Martin's invention for destroying all foul air and fire damps in coal pits, and making the foulest pits as pure as the surface of this earth, provided it has fair play -
Reports of a committee for investigating the coal and mineral resources of India
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Act to Incorporate the North American Coal Company
together with the by-laws of the Company, and a statement of its present property, directors and officers