This first (November 1975) publication by the CGS of gas pipelines in Colorado shows the location of gas processing plants with their capacity, gas storage facilities, and the pipelines with owners and size. 1 plate (1:500,000). Digital PDF download. OF-75-07D
Jones, David C. “OF-75-07 Gas Pipelines in Colorado.” Oil and Gas, 1:500,000. Open File Report. Denver, CO: Colorado Geological Survey, Department of Natural Resources, 1975. https://doi.org/10.58783/cgs.of7507.rblc9142. CGS Publications. https://coloradogeologicalsurvey.org/publications/gas-pipelines-colorado/.