Altitudes in Southwestern Ontario by R.H. Montgomery
8vo. pp. 146. paperback. (near fine - edges & spine bit sunned). Ottawa: Department of Mines, 1940.
Canada Department of Mines and Resources. Surveys and Engineering Branch Publication No. 44.
Altitudes in Southwestern Ontario by R.H. Montgomery
8vo. pp. 146. paperback. (near fine - edges & spine bit sunned). Ottawa: Department of Mines, 1940.
Canada Department of Mines and Resources. Surveys and Engineering Branch Publication No. 44.