Survey. Massey, A.J., C.S. Carlson, and D.R. LeBlanc. (2006). Ground-water levels near the top of the water-table mound, western Cape Cod, Massachusetts, 2002–04 [Scientific Investigations Report 2006-5054]. Reston, VA: U.S. Department of the Interior, U.S. Geological Survey. Masterson, J.P. and J.W. Portnoy. (2005). Potential changes in ground-water flow and their effects on the ecology and water resources of the Cape Cod National Seashore, Massachusetts [General Information Product 13]. Reston, VA: U.S. Department of the Interior, U.S. Geological Survey. Walter, D.A. and A.T. Whealan. (2005). Simulated water sources and effects of pumping on surface and ground water, Sagamore and Monomoy flow lenses, Cape Cod, Massachusetts [Scientific Investigations Report 2004-5181]. Reston, VA: U.S. Department of the Interior, U.S. Geological Survey. External links Cape Cod Chamber of Commerce "Geologic History of Cape Cod, Massachusetts", U.S. Geological Survey Barrier islands of Massachusetts Cape Cod and the Islands Geology of Massachusetts Cod, Cape Islands of Barnstable County, Massachusetts Moraines of the United States New England Peninsulas of Massachusetts Regions of Massachusetts