United States. Federal Emergency Management Agency. Flood Insurance Rate Map: City of Dallas, Texas, Dallas, Denton, Collin, Rockwall and Kaufman Counties, Panel 175 of 235., map, 1991; (https://texashistory.unt.edu/ark:/67531/metapth312566/m1/1/: accessed August 10, 2022), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .