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| | USGS Chesapeake Bay Impact Crater Project |
 | | 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. |
 | | 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. |
 | | Bruce, T.S., and Powars, D.S., 1995, Inland salt water wedge in the coastal plain aquifers of Virginia [abs.]: Abstracts of the 1995 Virginia Water Resources Conference, Richmond, Virginia; Virginia Polytechnic Institute and State University, Blacksburg, p. |
| geology.er.usgs.gov /eespteam/crater/cbic_pubs.htm (3606 words) |
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