CIG, Unknown Location No description specified. 1-3 (3 Records) Documents Letter Report: Construction Monitoring of a CIG Flowline Approximately 1 / 2 Mile Long (1983) Letter Report: Cultural Resource Inventory for CIG Cody Gas F-10 and F-15 Pipelines (1981) Letter Report: Cultural Resource Inventory for CIG Desert Springs F210 Pipeline Lateral (1981)