Photograph of a train engine and attached cars on railroad tracks, viewed from a front side angle. The number "4" is visible on the cab. Additional tracks lay on the right. Handwritten text below the image says, "Pecos Valley Southern #4 (ex T&P) #223."
Vollrath, H. K.
[Train Engine #4 and Cars],
accessed March 5, 2020),
University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu;
crediting The Grace Museum.