North American Database of Archaeological Geophysics

Image Library (by archaeological site type): Historic/Non-Native Settlement

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

Project images sorted alphabetically by state or country; within each by site name and geophysical survey type

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

ARKANSAS

Arkansas Post National Memorial

Position of magnetic survey blocks with respect to sidewalk;		Combined line contour and gray-scale (colorized) map of magnetic data;		Line contour magnetic map with linear features and anomaly groups marked;
Resistance map with anomalous area and linear feature marked;

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CALIFORNIA

Petaluma Adobe State Historic Park (CA-Son-2294/H)

Results of the alkali-vapor gradiometer survey at Petaluma Adobe State Historic Park;		Comparison of alkali-vapor gradiometer images by resolution;		Comparison of proton precession gradiometer image to proton precession magnetometer images created with different sensor heights;
Comparison of alkali-vapor magnetometer images by sensor height;		Comparison of diurnally-corrected alkali-vapor magnetometer images;		Results of the electromagnetic conductivity survey at Petaluma Adobe State Historic Park;

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IOWA

Gunzenhauser Site (13DT110)

Magnetic data from the Gunzenhauser Site;

Resistivity data from the Gunzenhauser Site;

Line plot and interpretation of resistivity sounding data;

Hitchcock House and Cabin (13CA46 and 13CA47)

Interpretations of magnetic gradient data from the Hitchcock cabin project area;

Combined resistance and magnetic gradient data from grid 3 and 6 at the Hitchcock House project area;

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NEW YORK

Sylvester Manor

Magnetic map in the vicinity of Sylvester Manor, Shelter Island, NY;

Resistivity map in the vicinity of Sylvester Manor, NY, illustrating garden and structural features in the historic warehouse district;

GPR study block in the vicinity of Sylvester Manor, Shelter Island, NY, illustrating a rectangular cultural feature;

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OREGON

Corvallis Historic Water Front Site

Shaded relief plot of the magnetic survey results;

Interpretive map of the magnetic survey results;

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SOUTH CAROLINA

38SU147

Magnetic image, 38SU147, Sumter County, SC;		Magnetic image, 38SU147, Sumter County, SC;		Resistance image, 38SU147, Sumter County, SC;
GPR interpretation image, 38SU147, Sumter County, SC;

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VIRGINIA

Jamestown Island (Brewhouse Area)

Resistivity data at the Brewhouse Area;		A resistivity sounding and its analysis;		Magnetic gradiometer data at the Brewhouse Area;
Two radar profiles at the Brewhouse area;		A fast conductivity exploration of the area;

Travis Site

A quiet GPR profile at the Travis site;		GPR profile revealing the location of a possible path;		GPR profile showing irregular strata near a possible road;
GPR profile showing the location of a possible earthen feature;

Yorktown

Results of the magnetic survey;

Results of the resistivity survey;

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

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