Delaware

  • Delaware Geological Survey: University of Delaware, Geological Survey Building, Newark, DE 19716-7501, (302) 831-2833, fax (302) 831-3579
  • Plank, Margaret O. and William S. Schenck, 1998, Delaware Piedmont Geology, Delaware Geological Survey: University of Delaware, Delaware.
  • Sporljaric, Nedad, 1979, The Geology of the Delaware Coastal Plain, in eds., Kraft, J.C. and W. Carey, Selected Papers on the Geology of Delaware, Volume 1, p. 115-134, Transactions of the Delaware Academy of Science: Delaware.