North American Database of Archaeological Geophysics

Image Library (by archaeological site type): Prehistoric/Native Mound

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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

AL
AR
AK
AZ
CA
CO
CT
DE
FL
GA
HI
IA
ID
IL
IN
KS
KY
LA
MA
MD
ME
MI
MN
MO
MT
MS
NC
ND
NE
NH
NJ
NM
NV
NY
OH
OK
OR
PA
RI
SC
SD
TN
TX
UT
VA
VT
WA
WI
WV
WY

 

ARKANSAS

Toltec Mounds Archeological State Park (3LN42), (1)

Magnetic image, Toltec Site, AR;   Magnetic image, Toltec Site, AR;    

Toltec Mounds Archeological State Park (3LN42), (2)

Magnetic gradiometry results in the area of Mound G showing a distribution of ferrous metal debris probably from an historic occupation;   Electrical resistivity results at a depth of 75 cm showing the loci of 1985 excavations and a circular anomaly at Toltec Mounds, AR;   Electrical resistivity results at a depth of 50 cm in the area of Mound G;
Magnetic susceptibility and resistivity results in the area of Mound G. A number of oval features, probably cultural, are indicated;   Soil conductivity results results in the area of Mound G showing a metallic debris field probably associated with an historic occupation;   Magnetic susceptibility and resistivity results in the area of Mound G. A number of oval features, probably cultural, are indicated;

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ILLINOIS

Cahokia Mounds State Historic Site (1)

The average resistivity at each sounding;   An analysis of the resistivity soundings;   A plot of the resistivity pseudosection;
Conductivity measurements on lines 1 and 2;   Conductivity measurements on lines 3 and 4;   Azimuthal seismic refraction measurements at location 1;

Cahokia Mounds State Historic Site (2)

EM31 transects across a well-defined mound;   EM conductivity map of the Grand Plaza prepared using Surfer (version 3.0);    

Cahokia Mounds State Historic Site (3)

Surfer contour map of magnetic data.   Surfer contour map of resistivity data.   GEOPLOT shade relief plot of resistance data.

 

Cahokia Mounds State Historic Site (4)

Geometrics G-858 cesium gradiometer contour and image data plots   Geoscan Research FM36 fluxgate gradiometer contour and image data plots;   Geoscan Research RM15 resistance meter and MPX15 multiplexer contour and image resistivity data plots at .5 m, 1.0 m, and 1.5 m probe separation;
Geohm 40D resistivity data and model for vertical electrical sounding in Northeast Palisade Project Area;   Geonics EM38 conductivity meter contour and image data plots;    

Pfeffer Site

Image showing magnetic anomalies;   Magnetic image with interpretations. Red rectangles are structures, yellow circles are pits, and white lines indicate limit of mechanized stripping of plow zone.    

 

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

INDIANA

Bellinger Mound (12SJ6)

Magnetic image with elevation contour overlay (0.1 m interval);   Resistivity survey results for the Bellinger Mound Site with an elevation contour overlay (0.1 m interval);    

Goodall Site (12LE9)

Magnetic survey grids on Mound 15 with superimposed elevation contours (0.1 m interval);   Magnetic survey grids on Mounds 17 and 18, with superimposed elevation contours (0.1 m interval);   Resistivity image of survey grids on Mound 15 with superimposed elevation contours (0.1 m interval);
Resistivity image of survey grids on Mounds 17 and 18, with superimposed elevation contours (0.1 m interval);        

Mud Lake Site (12LE14)

Magnetic survey grid over the Eastern Mound with an elevation contour overlay (0.1 m interval);   Resistivity image of survey grids on the Eastern Mound with an elevation contour overlay (0.1 m interval);    

Weise Mound (12PR35)

Resistivity image with elevation contour overlay (0.1 m interval);        

Williams Mounds (12SJ330)

Resistivity image with elevation contour overlay (0.1 m interval);      

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

IOWA

Effigy Mounds National Monument (1)

A radar profile across the planar feature of Little Bear Mound (Mound 52);   Measurements of soil voltage using two different types of electrodes;   Corrections to the self-potential measurements acquired with plaster electrodes;
The measurements of induced polarization taken with three different electrode spacings;   The electrical resistivity on line 1, taken with three different electrode spacings;   A resistivity pseudosection of line 1;
Seismic record 245 showing the increasing delay in the arrival of the seismic wave at greater distance;   Reversed seismic record 246;   The dispersion of the seismic wave from recording 250;
A Rayleigh wave pseudosection measured on linear mound 20;        

Effigy Mounds National Monument (3)

Magnetic image, Conical Mound 45, Effigy Mounds National Monument, IA;   Resistance image at 0.5 m depth, Conical Mound 45, Effigy Mounds National Monument, IA;   Resistance image at 1 m depth, Conical Mound 45, Effigy Mounds National Monument, IA;
Resistance image at 1.5 m depth, Conical Mound 45, Effigy Mounds National Monument, IA;   Electromagnetic conductivity image, Conical Mound 45, Effigy Mounds National Monument, IA;   Magnetic susceptibility image, Conical Mound 45, Effigy Mounds National Monument, IA;

Effigy Mounds National Monument (4)

Magnetic image, Great Bear, Mound 31, Effigy Mounds National Monument, IA;   Magnetic image, Little Bear, Mound 52 Effigy Mounds National Monument, IA;   Magnetic image, bird effigy, Mound 81 Effigy Mounds National Monument, IA;
Resistance image, Great Bear, Mound 31 Effigy Mounds National Monument, IA;   Resistance image, Little Bear, Mound 52 Effigy Mounds National Monument, IA;   Resistance image, bird effigy, Mound 81 Effigy Mounds National Monument, IA;

Effigy Mounds National Monument (5)

Magnetic gradient of the Little Bear Mound;   Magnetic gradient of the Conical Mound;   Magnetic gradient of the Linear Mound;
Highlighted features at the Linear Mound;        

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MINNESOTA

Medicine Lake Mounds (21HE0068)

Conductivity image, Medicine Lake Mounds, MN;   GPR interpretation image, Medicine Lake Mounds, MN;    

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MISSISSIPPI

Hollywood Mounds Site (22TU500)

Magnetic gradiometer survey of the Hollywood site with contour overlay;   Magnetic gradiometer image of a Mississippian period wall trench house;   Conductivity survey of the Hollywood site with contour overlay;

Gradiometer data superimposed on the conductivity data;

  

Ground penetrating radar profile along 150E line between 150S and 200S;

    

Parchman Place (22CO511)

Composite of a Mississippian house at the Parchman site;        

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OHIO

Hopeton Works Enclosure (Hopewell Culture National Historical Park)

Line plot of magnetic susceptibility and elevation data;        

P Street Mound

A conductivity profile across the P Street mound;   A resistivity sounding near the P Street mound;   A resistivity pseudosection at the P Street mound;

River Bank Stabilization Project (Hopewell Mound Group)

Magnetic gradient data from bank stabilization project area and outlined anomalies which are targets for future archaeological research.   Conductivity from band stabilization project.   Geophyscial data from grid unit 4.
Geophysical data from grid units 31 and 38.        

Wright Memorial Mounds

Conductivity image of Mound 1, Wright Memorial Mounds, Ohio;   Deep conductivity at Mound 2, Wright Memorial Mounds, Ohio;   Shallow conductivity at Mound 2, Wright Memorial Mounds, Ohio;
Shallow conductivity at Mound 6, Wright Memorial Mounds, Ohio;   A resistivity sounding on top of Mound 5, Wright Memorial Mounds, Ohio;   A resistivity sounding made just to the east of Mound 5, Wright Memorial Mounds, Ohio;
A resistivity pseudosection along line E58 at Mound 6, Wright Memorial Mounds, Ohio;   A resistivity pseudosection along line W9 at Mound 5, Wright Memorial Mounds, Ohio;   Radar profile along line W27 at Mound 2, Wright Memorial Mounds, Ohio;
Radar profile along line W27.5 at Mound 2, Wright Memorial Mounds, Ohio;        

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OKLAHOMA

Deer Creek Site (34KA3) (1)

Conductivity measurements were made at 2 m intervals along this 250 m line at Deer Creek;        

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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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