Pacific Power and Light Co., Casper, WY No description specified. 1-2 (2 Records) Documents Letter Report: Affidavit of Cultural Resource Inventory, a 13.2 Powerline To Be Installed By Pacific Power and Light for the P.H. Livestock Co (1981) Letter Report: Affidavit of Cultural Resource Inventory, Pacific Power and Light Co. (Pp&L): a 34.5 Kv Powerline Serving Allied Chemical Co (1981)