Geological Survey (U.S.) & Abbott, P. O. (1983). Hydrology of area 61, northern Great Plains and Rocky Mountain coal provinces, Colorado and New Mexico. U.S. Dept. of the Interior, Geological Survey.
Chicago Style (17th ed.) CitationGeological Survey (U.S.) and P. O. Abbott. Hydrology of Area 61, Northern Great Plains and Rocky Mountain Coal Provinces, Colorado and New Mexico. Lakewood, Colo.: U.S. Dept. of the Interior, Geological Survey, 1983.
MLA (9th ed.) CitationGeological Survey (U.S.) and P. O. Abbott. Hydrology of Area 61, Northern Great Plains and Rocky Mountain Coal Provinces, Colorado and New Mexico. U.S. Dept. of the Interior, Geological Survey, 1983.
Warning: These citations may not always be 100% accurate.