1. State of Iowa; compiled from the official records of the General Land Office and other sources under supervision of G.P. Strum. Maps University Of Michigan Public content 1885. Strum, G. P. (Gustave P.) and United States. General Land Office. Shows railroads. Relief shown by hachures. Prime meridians: Greenwich and Washington. Includes grid. 1 map: col.; 50 x 82 cm.