North American Database of Archaeological Geophysics
North American Database of Archaeological Geophysics
Graphic/Image:
Project Name: Valley Forge National Historic Park, PA;
Reference: Parrington, M. (1979). Geophysical and Aerial Prospecting Techniques at Valley Forge National Historical Park, Pennsylvania. Journal of Field Archaeology 6(2):193-201. Reproduced from Journal of Field Archaeology with the permission of the Trustees of Boston University. All rights reserved.
High-resolution survey map (readings taken every half-meter) in M8 showing linear anomaly caused by magnetic soil. Contour interval of 20 d.u.