County map of the states of Iowa and Missouri., map, 1874; (https://texashistory.unt.edu/ark:/67531/metapth298439/m1/1/: accessed April 28, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .
County map of the states of Iowa and Missouri., map, 1874; (https://texashistory.unt.edu/ark:/67531/metapth298439/m1/1/: accessed April 28, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .