Foraminifera of the Midway Formation in Texas, book, November 22, 1926; (https://texashistory.unt.edu/ark:/67531/metapth1065563/m1/1/: accessed June 7, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .
Foraminifera of the Midway Formation in Texas, book, November 22, 1926; (https://texashistory.unt.edu/ark:/67531/metapth1065563/m1/1/: accessed June 7, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .