English
At head of title: Geological and Natural History Survey of Canada, Alfred R.C. Selwyn ... Director · RBSC copy: With the autograph of J.B. Tyrrell · 32 · NEW
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Ebook · Report on an exploration in the Yukon district, N.W.T., and Adjacent northern portion of British Columbia, 1887 · Dawson, George Mercer, 1849-1901, Tyrrell, Joseph Burr, 1858-1957. (autograph), Geological Survey of Canada · Internet Archive
Geology · Geology