Includes the northern half of Missouri. Shows four versions of disputed boundaries between Missouri and Iowa, including a related dispute over the "Half Breeds" boundary for a tract of land between the Mississippi & Des Moines Rivers. Various versions of the two major lines, namely "Brown's Line or Line claimed by Missouri" and "Old Indian Boundary or Sullivan's Line", are detailed. The Platt District annexation of 1836 is also delineated. Drawn by George A. Leakin.