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 quarter-meter) in excavation trench over the hut site in M10 after removal of tent pegs. The 70-72 d.u. reading is from the hearth of the hut. Contour interval of 5 d.u.; for readings above 70 d.u., contour interval 10 d.u.