1. State of Mississippi : compiled from the official records of the General Land Office and other sources, under supervision of A.F. Dinsmore, Principal Draughtsman G.L.O. Maps University Of Minnesota Public content 1890. Morton, Robert H. Prime meridians: Greenwich, Washington.; Relief shown by hachures. 81 x 51 centimeters Scale approximately 1:750,000 General Map Collection. General Land Office (Washington, D.C).