Navigation of the Yukon River from Whitehorse to the Yukon/Alaska Boundary. (1971). 1971 - 50 pàgines Approximately 1 inch = 1/2 mile. |
Navigation of the Yukon River from Whitehorse to the Yukon/Alaska Boundary. (1971).1971 - 50 pàgines Approximately 1 inch = 1/2 mile. |