Chesapeake Bay Impact Structure Deep Drilling Project completes coring - Gohn, Gregory; Koeberl, C.; Miller, K.G.; Reimold, W.U.; Abramov, Oleg; Aleman-Gonzalez, Wilma; Bach, N.; Blazej, K.; Browning, J.; Bruce, T.; Budet, C.; Bybell, L.M.; et al. (Scientific Drilling, 2006)