Recherche dans la collection - Plan of the Stopp coal mine, Carbon Alberta. Surveyed 23rd. and 24th. September 1912 by O.S. Finnie. D.L.S. Inspecting Engineer, M.L. & Y. Br. Dept. Interior. Ottawa. [4 revisions:] Survey Extended 30th July 1914... Survey Extended 27th. Aug. 1917. [cartographic material]

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