[Coal powered engine powering a thresher], photograph, July 7, 1944; (https://texashistory.unt.edu/ark:/67531/metadc800568/m1/1/: accessed July 17, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .
[Coal powered engine powering a thresher], photograph, July 7, 1944; (https://texashistory.unt.edu/ark:/67531/metadc800568/m1/1/: accessed July 17, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .