Collection search - Plan of coal mine leased by A.F. Joberg, Delia P.O. Alberta. Operating north half L.S.9. - Sec.21 - Tp.30 - Rg.17 - W4th.M. Surveyed 1st. Oct. '12 by O.S. Finnie. Inspecting Engineer Dept. Interior Ottawa Ont. Survey extended July 22nd 1914... Aug 13th. 1915. [cartographic material]

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