Seismic lines shown in red. All of the data are not available on this site. References are provided where appropriate to published data. Drill holes shown in red or blue; red denotes heat flow value available, blue denotes temperature and geothermal gradient available (no heat flow because rock thermaL conductivity not available). Dikes and Triassic basin boundaries shown in green.
| Portsmouth (Area 2) |
| I-64 (Areas 1 and 2) |
| Crisfield (Area 2) |
| NAB-11 (Area 2) |
| Smith_Point (Area 2) |
In addition, see Imaging With A Single Vibrator.