| RI78 Subsurface Geology of the Area Between Wrangle Hill and Delaware City, Delaware |
Jengo, J.W., McLaughlin, P.P., Ramsey, K.W. |
|
| B20 Stratigraphy of the Post-Potomac Cretaceous-Tertiary Rocks of Central Delaware |
Benson, R.N., Spoljaric, N. |
|
| HM8 Geohydrology of the Middletown-Odessa Area, Delaware |
Woodruff, K.D. |
|
| HM6 Geohydrology of the Chesapeake and Delaware Canal Area, Delaware |
Woodruff, K.D. |
|
| GM 1 Geology of the Chesapeake and Delaware Canal Area, Delaware |
Pickett, T.E. |
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