report of his explorations of 1892 and 1893 as to minerals near lake Athabaska, [124]
evidence before the Senate Committee of 1907 as to minerals along Saskatchewan river, [124]
report of his explorations of the country between Churchill river and lake Athabaska in 1892 as to animal life, [128], [129]
evidence before the Senate Committee of 1907 as to country immediately north of lake Athabaska, [137]
evidence before the Senate Committee of 1907 as to tar sands on Athabaska river, [186]
on the Barren Lands, [304]
Tyrrell, J. B., C.E., D.L.S., exploration of, in the country between Great Slave lake and Chesterfield inlet on Hudson bay, [21]
von Hamerstein, Mr. Alfred, evidence of, before the Senate Committee of 1907 on medicinal springs along Clearwater river, [126]
on agricultural resources of Athabaska district, [135], [136]
on timber in Athabaska country, [175]