DGS Publications

Title Authors Publication Date
RI55 Geology of the Milford and Mispillion River Quadrangles Ramsey, K.W., Groot, J.J.
GM 4 Geology of the Wilmington Area, Delaware Woodruff, K.D., Thompson, A.M.
B7 Engineering Materials of Northern New Castle County Ward, R.F., Groot, J.J.