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| | USGS Water Resources of Virginia Bibliography |
 | | 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., 1 pl. |
 | | Nelms, D.L., Harlow, G.E., Jr., and Hayes, D.C., 1997, Base-flow characteristics of streams in the Valley and Ridge, the Blue Ridge, and the Piedmont Physiographic Provinces of Virginia: U.S. Geological Survey Water-Supply Paper 2457, 48 p., 1 pl. |
 | | Powars, D.P., Johnson, G.H., Bruce, T.S., and Edwards, L.E., 2001, The relation between the Chesapeake Bay impact structure and the structure and stratigraphy of Cenozoic deposits in eastern Virginia [abs.], to be presented at the 50th annual meeting of the Geological Society of America Southeastern Section, April 5-6, 2001. |
| va.water.usgs.gov /GLOBAL/biblio.htm (11016 words) |
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