Natomas, North America, Inc., Casper, WY No description specified. 1-2 (2 Records) Documents Letter Report: Archeological Survey of Well Site, Natomas, North America, Inc. #3-13 Cook-Federal, Campbell County, Wyoming (1981) Letter Report: Archeological Survey of Well Site; Natomas, North American #2-13 Cook-Federal, Campbell County, Wyoming (1981)