North American Database of Archaeological Geophysics

Image Library (by location): Pennsylvania (PA)

Sorted alphabetically by site name

Conductivity GPR Induced Polarization Magnetic Magnetic susceptibility Metal detector Multiple Methods Seismic Refraction Self Potential Resistance/Resistivity

(to view an enlargement of a graphic, click on it)

Valley Forge National Historical Park

High-resolution survey map (readings taken every meter) over hut site in M10;		High-resolution survey map (readings taken every quarter-meter) in excavation trench over the hut site in M10 after removal of tent pegs;		High-resolution survey map (readings taken every half-meter) in M8 showing linear anomaly caused by magnetic soil;
Radar profile in M17 showing difference in signal received from the backfilled half and the undisturbed half of an offal pit;

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