OFR55 Delaware Geological Survey Petrographic Data Viewer |
Schenck, W.S., Wang, L.T. |
|
OFR21 A Guide to Fossil Sharks, Skates, and Rays from the Chesapeake and Delaware Canal Area, Delaware |
Lauginiger, E.M., Hartstein, E.F. |
|
OFR18 A Numerical Indicator of Water Conditions for Northern Delaware |
Jordan, R.R., Woodruff, K.D. |
|
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. |
|