DGS Publications
| Title | Authors | Publication Date |
|---|---|---|
| RI78 Subsurface Geology of the Area Between Wrangle Hill and Delaware City, Delaware | Jengo, J.W., McLaughlin, P.P., Ramsey, K.W. | |
| SP20 Delaware Piedmont Geology | Plank, M.O., Schenck, W.S. | |
| RI56 The Setters Formation in the Pleasant Hill Valley, Delaware: Metamorphism and Structure | Plank, M.O., Schenck, W.S. |