Oil and gas fields map of Colorado showing field names; producing formations and their predominant ages; water disposal wells, gas injection wells, storage projects; oil, gas, and products pipelines; refineries; gas processing plants; and basin outlines. Field discoveries are current through December 1982. 1 color plate (1:500,000). Digital PDF download. MS-22D
This map was later updated by CGS Map Series MS-26 in 1991 and MS-33 in 2003.