電線延長計画の図面の現代日本語訳
English translation of a drawing of power line extension plan
Drawing of power line extension plan
Map of Portland and Vicinity, 1908
Map of the City of Portland, Oregon, by the Department of Public Works, 1934
Trolley Map of Portland, Oregon, The World's Finest Trolley System, 1937
Map of Willamette Heights and Blythswood
Map of Eastmoreland Neighborhood by Ladd Estate Co., 1910-1913
Guide Map, City of Portland and Suburban Districts, 1933
Rowland and Fortiner's Map of Portland and Vicinity, 1908
U.S. Forest Service reserves working with Osborne Firefinder
