B19 Geology and Hydrology of the Cockeysville Formation Northern New Castle County, Delaware |
Plank, M.O., Woodruff, K.D., Werkheiser, W.H. |
|
HM3 Geohydrology of the Wilmington Area, Delaware |
Woodruff, K.D. |
|
HM2 Geohydrology of the Newark Area, Delaware |
Woodruff, K.D. |
|
SP9 Generalized Geologic Map of Delaware |
Pickett, T.E., Spoljaric, N., Jordan, R.R. |
|
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. |
|