| Joseph Burr Tyrell (1858-1957) Grand Rapids Sandstone, underlain by Clearwater shale [on the Athabasca River] [1893 expedition to the barren lands [Geological Survey]] 1893, 8 June Black and white print 10 x 12 cm University of Toronto, Thomas Fisher Rare Book Library Digital ID: P10172 LL/41413 The official report of the expedition was published as: Report on the Doobaunt, Kazan and Ferguson Rivers.
Number and date assigned by Tyrrell in album '21, June 8'
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