1. State of Oregon; compiled from the official records of the General Land Office and other sources under supervision of A.F. Dinsmore, Chief of Drafting Division, G.L.O., Department of the Interior; compiled and drawn by A.F. Dinsmore. Maps University Of Michigan Public content 1889. Dinsmore, A. F. and United States. General Land Office. Relief shown by hachures. Prime meridians: Greenwich and Washington, D.C. 1 map: col.; 70 x 89 cm.