North American Database of Archaeological Geophysics

Image Library (by archaeological site type): Battlefield

(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

Pea Ridge Leetown Battlefield

Portion of a magnetic image from the survey done at Pea Ridge Battlefield, click image to see complete image;

Comparison of magnetic image to artifacts discovered during metal detecting survey;

Hypothetical distribution of ferrous metal artifacts based on magnetometry results;

COLORADO

Sand Creek Massacre Site

Magnetic gradient data from Sand Creek Village;		Conductivity data from Sand Creek Village;		High sensitivity metal detector top coil data from Sand Creek Village;
High sensitivity metal detector bottom coil data from Sand Creek Village;		High sensitivity metal detector, differential channel data from Sand Creek Village;

MASSACHUSETTS

Bunker Hill National Monument

Resistivity map showing clear indications of several linear subsurface features;		Resistivity image incorporating later work that illustrates a myriad of features including historic 19th century diagonal walkways, trenches from the park's sprinkler system, the historic fortifications, and linear features that may represent historic pathways;		Six 20 meter long ground penetrating radar profiles showing possible fortification ditches from the Revolutionary War battle, or subsequent modifications made by the British;
One ground penetrating radar profile showing possible fortification ditches from the Revolutionary War battle, or subsequent modifications made by the British;

MONTANA

Last Stand Hill (horse cemetery)

Magnetic image showing several anomalies probably related to modern park refuse;		GPR image showing a possible shallow grave;		Conductivity image showing a pipe feature, modern trash, and a rectangular shaped anomaly along the western edge that may be from a burial pit;
Interpretations of magnetic gradient and conductivity anomalies;

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NEW MEXICO

Camp Lewis (Pecos National Historic Park)

Results of the magnetic survey at Camp Lewis, revealing linear trends directly associated with the Santa Fe Trail;

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VIRGINIA

Fort Morton (Petersburg National Battlefield)

A high frequency (315 MHz) antenna GPR profile over the trenches of the bombproofs at Fort Morton;		Radar echoes of the Bombproof;		GPR profiles of the Iron detail;
Contour map of the Fort Morton magnetic survey (2.5, 10, and 100 nT contours);		A surface plot of the magnetic field at Fort Morton;		A smoothed magnetic contour map of the Bombproof detail;
Magnetic contour maps of the Iron detail (100 nT contour interval);		Magnetic contour map showing objects behind the main fortification trench;		Magnetic gradiometer map of the Iron detail;
A smoothed EM38 conductivity map of Fort Morton;		A smoothed EM38 conductivity map of the Bombproof detail;		The EM31 conductivity of the Trench detail. This map reveals a lateral gradient and a line of lows near E500;
EM31 and EM38 conductivity maps of the small Iron detail;		A magnetic susceptibility contour map of the Iron detail measured with the EM38;		A smoothed resistivity map of the Bombproof detail;
A surface map of electrical resistivity;		A smoothed resistivity map of the Trench detail;		A resistivity contour map of the Iron detail;
Soil voltages at the Iron detail;		A self-potential profile across the main fortification trench;		A self-potential profile across the Bombproof detail;
A self-potential map made over the Iron detail area;		Examples of seismic signals at Fort Morton;		A seismic recording from 12 geophones;
Seismic refraction travel time at the Bombproof shelter;

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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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