B19 Geology and Hydrology of the Cockeysville Formation Northern New Castle County, Delaware |
Plank, M.O., Woodruff, K.D., Werkheiser, W.H. |
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IS5 Earthquakes in Delaware |
Woodruff, K.D. |
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RI39 Earthquakes in Delaware and Nearby Areas, June 1973 - June 1984 |
Woodruff, K.D. |
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OFR3 Preliminary Report on the Earthquake of February 28, 1973 |
Woodruff, K.D., Jordan, R.R., Pickett, T.E. |
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OFR2 Preliminary Report on Seismic Events in Northern Delaware |
Jordan, R.R., Pickett, T.E., Woodruff, K.D. |
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