| OFR47 Digital Watershed and Bay Boundaries for Rehoboth Bay, Indian River Bay, and Indian River |
McKenna, T.E., Andres, A.S., Lepp, K.P. |
|
| OFR13 Delaware's Extractive Mineral Industry |
Doyle, R.G., Pickett, T.E. |
|
| SP9 Generalized Geologic Map of Delaware |
Pickett, T.E., Spoljaric, N., Jordan, R.R. |
|
| RI18 Geology and Ground Water, University of Delaware, Newark, Delaware |
Woodruff, K.D., Miller, J.C., Jordan, R.R., Spoljaric, N., Pickett, T.E. |
|
| RI14 Delaware Clay Resources |
Pickett, T.E. |
|
