[Boiler for steam for cable tool drilling rig], photograph, 1900~; (https://texashistory.unt.edu/ark:/67531/metapth16851/m1/1/: accessed June 22, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .
[Boiler for steam for cable tool drilling rig], photograph, 1900~; (https://texashistory.unt.edu/ark:/67531/metapth16851/m1/1/: accessed June 22, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .