Relief shown by hachures. Each route is shaded in a different color. Hand colored. Repaired on left margin with paper bearing partial illustration on verso. From vol. 3 of Mackenzie's Voyages dans l'interieur de l'Amerique septentrionale....
Relief shown by hachures and spot heights. Insets: Route oue saivra l'expedition du "Temps" par le Chilkoot -- Trace du district du Klondike releve en Octobre, 1897 -- Minimum and maximum temperatures for Klondike, 1896.
First volume of five volume set of diaries kept by Walter Todd, railroad surveyor for Alaskan Engineering Commission in southcentral Alaska. June 18-Nov. 12, 1915. [143] pages ; 16 cm.
Fifth volume of five volume set of diaries kept by Walter Todd, railroad surveyor for Alaskan Engineering Commission in southcentral Alaska. Jan. 1-Sept. 5, 1918. [191] pages ; 15 cm.