DGS Publications
Title | Authors | Publication Date |
---|---|---|
B7 Engineering Materials of Northern New Castle County | Ward, R.F., Groot, J.J. | |
B5 Sedimentary Petrology of the Cretaceous Sediments of Northern Delaware in Relation to Paleogeographic Problems | Groot, J.J. | |
B3 Marine Upper Cretaceous Formations of the Chesapeake and Delaware Canal | Organist, D.M., Richards, H.G., Groot, J.J. |