Hume, G. S. 1893- The lower Mackenzie River area, Northwest Territories and Yukon. - Ottawa, E. Cloutier, Queen's Printer, 1954. - viii, 118 p. illus., maps (3 fold. col. in pocket) tables. 25 cm. Bibliography: p. 6-7. LCCN: gs 54000355 Subjects--Topical Terms: Geology--Northwest Territories.Geology--Yukon.Petroleum--Geology--Northwest Territories.Petroleum--Geology--Yukon.Borings--Northwest Territories.Borings--Yukon. LC Class. No.: QE185 / .A2 no. 273