SP16 Generalized Geologic Map of Delaware, Postcard |
DGS Staff |
|
RI52 Quality and Geochemistry of Ground Water in Southern New Castle County, Delaware |
Ferrari, M.J., Bachman, L.J. |
|
SP19 Delaware: Its Rocks, Minerals, and Fossils |
DGS Staff |
|
OFR21 A Guide to Fossil Sharks, Skates, and Rays from the Chesapeake and Delaware Canal Area, Delaware |
Lauginiger, E.M., Hartstein, E.F. |
|
SP7 Selected Fossil Collecting Locations in Delaware and Minerals in Delaware |
DGS Staff |
|
SP5 Geology and Earth Resources of Delaware |
DGS Staff |
|
SP2 Long-Range Plan for Water Resources Investigations in Delaware |
DGS Staff |
|
SP1 The Story of Your State Geological Survey's Search for Water |
DGS Staff |
|