Dudley, R. W., & Schalk, C. W. (2006). Scoping of flood hazard mapping needs for Cumberland County, Maine. U.S. Geological Survey.
Chicago Style (17th ed.) CitationDudley, Robert W., and Charles W. Schalk. Scoping of Flood Hazard Mapping Needs for Cumberland County, Maine. Reston, Va.: U.S. Geological Survey, 2006.
MLA (9th ed.) CitationDudley, Robert W., and Charles W. Schalk. Scoping of Flood Hazard Mapping Needs for Cumberland County, Maine. U.S. Geological Survey, 2006.
Warning: These citations may not always be 100% accurate.