H80-16/186 Great Lakes Carbon Corp Shift Change Building Plans and Specifications, by Casper, WY, https://drive.google.com/file/d/0BwGs7_2V6bvEenpPXy1sSGwwMVE/view?usp=drive_link&resourcekey=0-kBGGcKTu3vmLsGuXUdnDuQ. Wyoming State Archives, Wyoming Cultural Resources Division, Wyoming Department of State Parks & Cultural Resources.

H80-16/186 Great Lakes Carbon Corp Shift Change Building Plans and Specifications, by Casper, WY, https://drive.google.com/file/d/0BwGs7_2V6bvEenpPXy1sSGwwMVE/view?usp=drive_link&resourcekey=0-kBGGcKTu3vmLsGuXUdnDuQ. Wyoming State Archives, Wyoming Cultural Resources Division, Wyoming Department of State Parks & Cultural Resources. https://wyocomet.wyo.gov/repositories/2/digital_objects/4485 Accessed November 06, 2024.