DGS Publications
| Title | Authors | Publication Date |
|---|---|---|
| OFR54 Bedrock Geologic Map of the Delaware Piedmont | Schenck, W.S. | |
| SP24 Selected Geomorphic Features of Delaware | Ramsey, K.W., Schenck, W.S., Wang, L.T. | |
| GM10 Bedrock Geologic Map of the Piedmont of Delaware and Adjacent Pennsylvania | Schenck, W.S., Plank, M.O., Srogi, L. |