Duigon, M. T., & Smigaj, M. J. (1985). First report on the hydrologic effects of underground coal mining in southern Garrett County, Maryland. Dept. of Natural Resources, Maryland Geological Survey.
Chicago Style (17th ed.) CitationDuigon, Mark T., and Michael J. Smigaj. First Report on the Hydrologic Effects of Underground Coal Mining in Southern Garrett County, Maryland. [Baltimore, Md.]: Dept. of Natural Resources, Maryland Geological Survey, 1985.
MLA (9th ed.) CitationDuigon, Mark T., and Michael J. Smigaj. First Report on the Hydrologic Effects of Underground Coal Mining in Southern Garrett County, Maryland. Dept. of Natural Resources, Maryland Geological Survey, 1985.
Warning: These citations may not always be 100% accurate.