Strum, G. P. (Gustave P.)United States. General Land OfficeShows railroads. Relief shown by hachures. Prime meridians: Greenwich and Washington. Includes grid. 1 map: col.; 50 x 82 cmJPEG3220d22e-c076-4da8-bed1-947cbde0d577engPublicRailroadsState of Iowa; compiled from the official records of the General Land Office and other sources under supervision of G.P. Strum.MapsIowa1885University of Michigan