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USGS Virginia Water Science Center

U.S. Geological Survey Professional Paper 1731

The Virginia Coastal Plain Hydrogeologic Framework

E. Randolph McFarland1 and T. Scott Bruce2
1U.S. Geological Survey, Virginia Water Science Center, Richmond, VA. 
2 Virginia Department of Environmental Quality, Water Resources Management, Richmond, VA

This report is available as a pdf

Download report here:  12.2MB

Download Plates here:

Plates (in PDF format)

1 — Map showing locations of Chesapeake Bay impact crater, boreholes, and hydrogeologic sections 1.4MB
2 — Map showing approximate altitude and configuration of the top of basement 2MB
3-7 — Hydrogeologic sections:
3 — AD-AD', BD-BD', and CD-CD' 0.8MB
4 — DD-DD', ED-ED', and FD-FD' 0.8MB
5 — GD-GD', HD-HD', ID-ID', and JD-JD' 0.8MB
6 — AS-AS', BS-BS', CS-CS', and DS-DS' 0.8MB
7 — ES-ES', FS-FS', and GS-GS' 0.8MB
8-25 — Maps showing approximate altitudes and configurations of the tops of:
8 — The Potomac aquifer 2MB
9 — The Potomac confining zone 1.7MB
10 — The upper Cenomanian confining unit 1.5MB
11 — The Virginia Beach aquifer 1.4MB
12 — The Virginia Beach confining zone 1.4MB
13 — The Peedee aquifer 1.35MB
14 — The Peedee confining zone 1.35MB
15 — The Aquia aquifer 1.5MB
16 — The Nanjemoy-Marlboro confining unit 1.5MB
17 — The Exmore clast confining unit 1.4MB
18 — The Exmore matrix confining unit 1.4MB
19 — The Chickahominy confining unit 1.4MB
20 — The Piney Point aquifer 1.5MB
21 — The Calvert confining unit 1.6MB
22 — The Saint Marys aquifer 1.45MB
23 — The Saint Marys confining unit 1.8MB
24 — The Yorktown-Eastover aquifer 2MB
25 — The Yorktown confining zone 2MB

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Download the Report (PDF, 12.2 MB).

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