Collection search - Plan showing position and extent of coal mine leased by Green & Davis, including E 1/2 L.S. 12, Sec. 18-39W 4th M. Halkirk, Alberta. Surveyed 22nd July, 1912 by O.S. Finnie, D.L.S., Inspecting Engineer, Dept. Interior, Ottawa. M. L. & Y. [Mining Lands & Yukon] Branch. Survey extended ... 1914 ... 1915 ... Aug. 16th, 1916. [cartographic material]

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