DGS Publications
Title | Authors | Publication Date |
---|---|---|
OFR13 Delaware's Extractive Mineral Industry | Doyle, R.G., Pickett, T.E. | |
OFR4 Papers Presented by Staff Members of the Delaware Geological Survey at the Baltimore Meeting of the Northeastern Section of the Geological Society of America, March, 1974 | Pickett, T.E. |