H80-16/054 Wilking Collection, Sinclair Refining Company Pipeline Department Field Cottage and Garage, Casper, WY, https://drive.google.com/file/d/0BwGs7_2V6bvEcGl2cFFEa0MxUG8/view?usp=drive_link&resourcekey=0-Pkc00C92b61ivo59PUf9bQ. Wyoming State Archives, Wyoming Cultural Resources Division, Wyoming Department of State Parks & Cultural Resources.

H80-16/054 Wilking Collection, Sinclair Refining Company Pipeline Department Field Cottage and Garage, Casper, WY, https://drive.google.com/file/d/0BwGs7_2V6bvEcGl2cFFEa0MxUG8/view?usp=drive_link&resourcekey=0-Pkc00C92b61ivo59PUf9bQ. Wyoming State Archives, Wyoming Cultural Resources Division, Wyoming Department of State Parks & Cultural Resources. https://wyocomet.wyo.gov/repositories/2/digital_objects/4353 Accessed November 23, 2024.