Collection search - Plan of coal mines operated by Chas. Catchpole & Geo. Watson, LS's 11 and 14, Sec. 22, Tp. 31, Rge. 24, W 4th M. Surveyed 17th and 18th Sep' 1912 by O. S. Finnie, Inspecting Engineer, M. L. & Y.Br. [Mining Lands and Yukon Branch], Dept. Interior, Ottawa. Approved [Signature illegible] Chief Inspector. Survey extended ... 1913 ... 1914 ... 18th Aug. 1914. [cartographic material]