B19 Geology and Hydrology of the Cockeysville Formation Northern New Castle County, Delaware |
Plank, M.O., Woodruff, K.D., Werkheiser, W.H. |
|
B14 Hydrology of the Columbia (Pleistocene) Deposits of Delaware: An Appraisal of a Regional Water-Table Aquifer |
Johnston, R.H. |
|
B11 Ground-Water Resources of Southern New Castle County Delaware |
Rima, D.R., Coskery, O.J., Anderson, P.W. |
|
B9 Stratigraphy of the Sedimentary Rocks of Delaware |
Jordan, R.R. |
|
B7 Engineering Materials of Northern New Castle County |
Ward, R.F., Groot, J.J. |
|