Department of the Interior -- U.S. Geological Survey Online USGS Publications -- The Chesapeake Bay Impact Crater and Related Topics Professional Papers Professional Paper 1612 [Mixed HTML and PDF formats] Powars, D.S., and Bruce, T.S., 1999, The effects of the Chesapeake Bay impact crater on the geological framework and correlation of hydrogeologic units of the Lower York-James Peninsula, Virginia: U.S. Geological Survey Professional Paper 1612, 82 p. Prepared in cooperation with the Hampton Roads Planning District Commission Professional Paper 1622 [PDF format] Powars, D.S., 2000, The effects of the Chesapeake Bay impact crater on the geologic framework and the correlation of hydrogeologic units of Southeastern Virginia, south of the James River: U.S. Geological Survey Professional Paper 1622, 53 p. Prepared in cooperation with the Hampton Roads Planning District Commission Water Resources Investigations Reports WRIR 98-4085 [HTML format] McFarland, E. Randolph, 1998, Design, revisions, and considerations for continued use of a ground-water-flow model of the Coastal Plain aquifer system in Virginia: U.S. Geological Survey Water Resources Investigations Report 98-4085. Open-File Reports OFR-01-87 [PDF format] Gohn, G.S., Clark, A.C., Queen, D.G., Levine, J.S., McFarland, E.R., and Powars, D.S., 2001, Operational summary for the USGS-NASA Langley corehole, Hampton, Virginia:  U.S. Geological Survey Open-File Report 01-87-A, 21 p. Powars, D.S., Bruce, T.S., Bybell, L.M., Cronin, T.M., Edwards, L.E., Frederiksen, N.O., Gohn, G.S., Horton, J.W., Jr., Izett, G.A., Johnson, G.H., Levine, J.S., McFarland, E.R., Poag, C.W., Quick, J.E., Schindler, J.S., Self-Trail, J.M., Smith, M.J., Stamm, R.G., and Weems, R.E., 2001, Preliminary geologic summary for the USGS-NASA Langley corehole, Hampton, Virginia: U.S. Geological Survey Open-File Report 01-87-B, 20 p. Prepared in cooperation with the Hampton Roads Planning District Commission and the NASA Langley Research Center OFR-01-407 [PDF format] Catchings, R.D., Saulter, D.E., Powars, D.S., Goldman, M.R., Dingler, J.A., Gohn, G.S., Schindler, J.S., and Johnson, G.H., 2001, High-resolution seismic reflection/refraction images near the outer margin of the Chesapeake Bay impact crater, York-James Peninsula, southeastern Virginia:  U.S. Geological Survey Open-File Report 01-407, 18 p. Fact Sheets Fact Sheet 49-98 [HTML format] The Chesapeake Bay Bolide Impact: A New View of Coastal Plain Evolution Fact Sheet 48-99 [HTML format] State Fact Sheet -- Virginia Last Update: 01 March 2002