North American Database of Archaeological Geophysics
North American Database of Archaeological Geophysics
Graphic/Image:
Project Name: Jamestown Island (Brewhouse Area), VA;
Reference: Bevan, B. (1995). Geophysical Remote Sensing at the Colonial National Historical Park, Findings of the June 1995 Course. Submitted to Colonial National Historical Park, Yorktown, Virginia.
Magnetic gradiometer data at the Brewhouse Area. The strong magnetic anomalies in the northeast corner have the 10 nT/m contours replaced with 50 nT/m contours at their middles. Some striations near E985 and E995 indicate that there might have been iron moving near the sensor.