County map of the states of Iowa and Missouri., map, 1861; (https://texashistory.unt.edu/ark:/67531/metapth288927/m1/2/: accessed July 16, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .
County map of the states of Iowa and Missouri., map, 1861; (https://texashistory.unt.edu/ark:/67531/metapth288927/m1/2/: accessed July 16, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .