Sheet 10 of 10. "Surveyor-General's Office, Department of the Interior. Ottawa, April 1898." "Scale: six miles to one inch." "Authorities. Yukon, Fortymile, Tatonduc and Porcupine rivers from survey and exploration by Wm. Ogilvie, 1887-1888. Bonansa creek and part of the 141st Meridian from survey by Wm. Ogilvie, 1896-1897. Klondike river and tributaries adjusted from sketch furnished by Thos. Fawcett, 1898." Includes notes on terrain.