H80-16/259 Williamsport Wire Rope Disp't Company, comm 220, Casper , WY, (also includes Omaha Steel Works, order no 8888), Casper, WY, https://drive.google.com/file/d/0BwGs7_2V6bvEc0pBMTlROFFWN1k/view?usp=drive_link&resourcekey=0-550YR6BRNrqFoADmDLjNBw. Wyoming State Archives, Wyoming Cultural Resources Division, Wyoming Department of State Parks & Cultural Resources.

H80-16/259 Williamsport Wire Rope Disp't Company, comm 220, Casper , WY, (also includes Omaha Steel Works, order no 8888), Casper, WY, https://drive.google.com/file/d/0BwGs7_2V6bvEc0pBMTlROFFWN1k/view?usp=drive_link&resourcekey=0-550YR6BRNrqFoADmDLjNBw. Wyoming State Archives, Wyoming Cultural Resources Division, Wyoming Department of State Parks & Cultural Resources. https://wyocomet.wyo.gov/repositories/2/digital_objects/4551 Accessed November 23, 2024.