Fulton, J. W. (2015). Water-budget and recharge-area simulations for Spring Creek and Nittany Creek Basins and parts of the Spruce Creek Basin, Centre and Huntingdon Counties, Pennsylvania, water years 2000-06. U.S. Department of the Interior, U.S. Geological Survey.
Chicago Style (17th ed.) CitationFulton, John W. Water-budget and Recharge-area Simulations for Spring Creek and Nittany Creek Basins and Parts of the Spruce Creek Basin, Centre and Huntingdon Counties, Pennsylvania, Water Years 2000-06. Reston, Virginia: U.S. Department of the Interior, U.S. Geological Survey, 2015.
MLA (9th ed.) CitationFulton, John W. Water-budget and Recharge-area Simulations for Spring Creek and Nittany Creek Basins and Parts of the Spruce Creek Basin, Centre and Huntingdon Counties, Pennsylvania, Water Years 2000-06. U.S. Department of the Interior, U.S. Geological Survey, 2015.