GM27 Geologic Map of the Elkton, Saint Georges, and Delaware City Quadrangles, Delaware |
Tomlinson, J.L., Ramsey, K.W. |
|
GM26 Geologic Map of the Cecilton and Middletown Quadrangles, Delaware |
Tomlinson, J.L., Ramsey, K.W. |
|
GM23 Geologic Map of the Seaford West and Seaford East Quadrangles, Delaware |
Tomlinson, J.L., Ramsey, K.W., Andres, A.S. |
|
GM17 Geologic Map of the Harbeson Quadrangle, Delaware |
Ramsey, K.W., Tomlinson, J.L. |
|
RI54 Radiocarbon Dates from Delaware: A Compilation |
Baxter, S.J., Ramsey, K.W. |
|
B7 Engineering Materials of Northern New Castle County |
Ward, R.F., Groot, J.J. |
|