North American Database of Archaeological Geophysics

Image Library (by archaeological site type): Filled Ditch/Arroyo

(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

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AR
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CA
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CT
DE
FL
GA
HI
IA
ID
IL
IN
KS
KY
LA
MA
MD
ME
MI
MN
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MT
MS
NC
ND
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NM
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OR
PA
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SC
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TN
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UT
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VT
WA
WI
WV
WY

 

COLORADO

GPR profiles from the Kaplan-Hoover Site showing little pattern in the anomaly distribution;   Electrical resistivity at the Kaplan-Hoover Site showing the gradient to the south and zones interpreted as the likeliest possible candidates for arroyos;    

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ILLINOIS

Fort de Chartres

A conductivity map of an area on the NW side of Fort de Chartres;        

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NORTH DAKOTA

Double Ditch Indian Village State Park (32BL8)

Magnetic gradiometry image showing features and interpretations at Double Ditch Village State Park, ND;   Electrical resistance survey image showing features and interpretations at Double Ditch Village State Park, ND;   Electromagnetic conductivity image showing features and interpretations at Double Ditch Village State Park, ND;

Huff Village State Historic Site (32MO11)

Aerial photograph of Huff Village with the 20 x 20 m magnetic survey grids superimposed;   Magnetic survey results at Huff Village with interpreted features and surface house depressions indicated;   A comparison of houses excavated by W.R. Wood in the 1960s at Huff Village with the magnetic data;
Electrical resistance survey results from Huff Village at approximately 1.5 m prospecting depth, with blues indicating high resistance and reds low;   Resistivity tomography images in the vicinity of a house depression at Huff Village;    

Menoken Village State Historic Site (32BL2)

Magnetic gradiometry survey results at Menoken Village, ND;   Magnetic detail of burned houses at Menoken Village, ND;   Comparison of digital elevation and magnetic data at a burned house at Menoken Village, ND;
Detail of the magnetic gradiometry survey at Menoken Village, ND, showing a portion of the fortification ditch;   Correspondence of magnetic findings with excavation profile;   Details of the electrical resistivity survey at Menoken Village, ND, showing trail features;
Results of the electrical resistivity survey at Menoken Village, ND;   Correspondence of magnetic and resistance data with burned earth weight as revealed by excavations at House 17;    

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

Mit-tutta-hang-kush Village (Fort Clark State Historic Site, 32ME2)

Contemporary vertical aerial photograph showing Mit-tutta-hang-kush Village, ND, and geophysical survey transect;   Magnetic image of 400 x 20 m transect through Mit-tutta-hang-kush Village, ND, showing principal cultural features;   Detail from magnetic transect through Mit-tutta-hang-kush Village, ND, showing fortification ditch and circular house with numerous iron artifacts;
Detail from geophysical survey transects through Mit-tutta-hang-kush Village, ND, showing magnetic results at the large Arikara ceremonial lodge;   Resistance image of 340 x 20 m transect through Mit-tutta-hang-kush Village, ND, showing principal cultural features;   Detail from resistance survey transect through Mit-tutta-hang-kush Village, ND, showing overlapping circular houses;
Detail from geophysical survey transects through Mit-tutta-hang-kush Village, ND, showing resistance results at the large Arikara ceremonial lodge;   A GPR time slice, from 11.5-15.5 nS, showing the floor and entryway of a previously unknown earthlodge;    

On-A-Slant Village (32MO26) (1)

Geophysical survey results in the earthlodge survey area;   Geophysical survey results in the earthlodge survey area;   GPR transects in the western site perimeter survey, east of the road;
GPR transects in the western site perimeter survey, west of the road;        

On-A-Slant Village (32MO26) (2)

Results of the magnetic survey of an earthlodge;   Results of the resistivity survey of an earthlodge;   Results of the GPR survey of an earthlodge;
GPR profile adjacent to on-going fortification ditch excavations by the University of North Dakota;        

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SOUTH DAKOTA

Whistling Elk Village (39HU242)

The results of the magnetic gradiometry survey at Whistling Elk, SD;   Magnetic data showing the central hearth, at least 3 central support posts, and extensive burning along the walls of an unusually large house at Whistling Elk Village, SD;   The results of the electrical resistivity survey at Whistling Elk, SD;
Multiple depth resistivity data were acquired at Whistling Elk Village, SD, in an area bisecting the western fortification ditch immediately below the bastion loop;   Resistivity data showing the walls and entryway of an unusually large house (10 m wide), probably used for ceremonial purposes at Whistling Elk Village, SD;   The results of the electromagnetic conductivity survey at Whistling Elk Village, SD;
Ten 15 m ground penetrating radar transects were run over a 5 m length of the fortification ditch at Whistling Elk Village, SD, each separated by 50 cm;   Data fusion of three geophysical surveys at Whistling Elk Village, SD, achieved through RGB color compositing;   Cultural interpretations at Whistling Elk Village, SD, achieved through comparison of resistivity, conductivity, and magnetic data sets;

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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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