DGS Publications
| Title | Authors | Publication Date |
|---|---|---|
| RI50 Plant Microfossils of the Calvert Formation of Delaware | Groot, J.J. | |
| RI48 Geologic And Hydrologic Studies of the Oligocene - Pleistocene Section near Lewes, Delaware | Benson, R.N., Andres, A.S., Ramsey, K.W., Talley, J.H. | |
| B3 Marine Upper Cretaceous Formations of the Chesapeake and Delaware Canal | Organist, D.M., Richards, H.G., Groot, J.J. |