RI78 Subsurface Geology of the Area Between Wrangle Hill and Delaware City, Delaware |
Jengo, J.W., McLaughlin, P.P., Ramsey, K.W. |
|
RI64 Results of Hydrogeologic Studies of the Cypress Swamp Formation, Delaware |
Andres, A.S., Howard, C.S. |
|
RI62 The Cypress Swamp Formation, Delaware |
Andres, A.S., Howard, C.S. |
|
RI36 History of Oil and Gas Exploration in the Mid-Atlantic Region and Delaware's Involvement in the Federal OCS Leasing Program |
Doyle, R.G. |
|
OFR13 Delaware's Extractive Mineral Industry |
Doyle, R.G., Pickett, T.E. |
|