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Report of Mr. Henry G. Vennor on the Geology of Hastings County, Ontario
Henry George Vennor
其他書名
With a Map of the Region : Addressed to Sir William E. Logan, F.R.S., Late Director of the Geological Survey
出版Dawson Bros., 1870
URLhttp://books.google.com.hk/books?id=hx4H0AEACAAJ&hl=&source=gbs_api