Recherche dans la collection - Plan of mine operated by Willow Creek Coal Mine, Geo. Bragdich, Mgr., Thelma, Alta. Lease No. 1000 comprising E 1/2 L.S.5, Sec. 18, Tp. 7, Rge 2, W4th M. Surveyed 3rd Aug. 1917. O.S. Finnie, D.L.S., Inspecting Engineer, M.L. & Y. Branch, Dept. of the Interior, Ottawa, Ont. [cartographic material]