U.S. Geological Survey Open-File Report 2009-1151
Continuous Resistivity Profiling and Seismic-Reflection Data Collected in 2006 from the Potomac River Estuary, Virginia and Maryland
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| Figure 1. Location map showing the geophysical survey tracklines. The black lines indicate areas where both seismic-reflection and resistivity data were collected. The red lines indicate areas where only resistivity data were collected. |
