North American Database of Archaeological Geophysics

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

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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

 

ARIZONA

La Ciudad

High conductivity anomaly mapped by the electromagnetic survey at the Hohokam site of La Ciudad in Phoenix;        

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ARKANSAS

Eaker Site (3MS105)

Total magnetic field results from "segment one" grids at site 3MS105;   Total magnetic field results from "segment four" grids at site 3MS105;   Total magnetic field results from "segment eight" grids at site 3MS105;
Total magnetic field results from "segment nine" grids at site 3MS105;        

Greenbrier Site (3IN1)

Magnetic image, Greenbrier Site, AR;   Magnetic image, Greenbrier Site, AR;   Resistance image, Greenbrier Site, AR;
Resistance image, Greenbrier Site, AR;   GPR interpretation image, Greenbrier Site, AR;    

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

CALIFORNIA

CA-ORA-116

Results of the magnetic survey showing data within the expected range of prehistoric features at site CA-ORA-116;   Locations of high amplitude magnetic anomalies which are caused by historic iron debris;   Highpass filtered results from the resistivity survey at site CA-ORA-116;
Excavation units and identified house features overlaid on the resistance data;        

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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;    

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

GEORGIA

Kasita Town (9CE1)

Magnetic data revealing possible ditches   Adjusted contrast on the magnetic data shows possible burned structure foundations with hearths   Resistance data shows a possible ditch feature and other linear anomalies
GPR data for Kasita town        

Upatoi Town (9ME395)

Magnetic image, Upatoi Town, GA;   Magnetic image, Upatoi Town, GA;   Conductivity image, Upatoi Town, GA;
Conductivity image, Upatoi Town, GA;   GPR profile image, Upatoi Town, GA;   GPR profile image, Upatoi Town, GA;

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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.

Grossmann Site

Image showing magnetic anomalies;   Magnetic image with interpretations. About 60% of the structures and 40% of other features were detected;    

Orendorf Site

Resistivity map based on 3-feet (0.9 meter) electrode spacing;   Elongate fabric patterns picked from the contoured electrical resistivity map and fabric orientation diagrams;    

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

MISSISSIPPI

Parchman Place (22CO511)

Composite of a Mississippian house at the Parchman site;        

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MISSOURI

Iliniwek Village State Historic Site (1)

Magnetic survey data from the Iliniwek Site;   Resistance data from the Iliniwek Site providing a detailed picture of the village layout;   Magnetic contour data overlain on resistance image data;

Iliniwek Village State Historic Site (2)

GPR profile from Iliniwek Village using a 225 MHz antenna;        

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

NEW MEXICO

Adobe Pueblo Site (LA107488)

Magnetic image of the low rubble mound at Adobe Pueblo, from a fluxgate gradiometer;   Magnetic image of the low rubble mound at Adobe Pueblo, from a cesium magnetometer;   A magnetic contour map and three-dimensional surface plot of grid including Test Unit 1, from a fluxgate gradiometer;
A magnetic contour map and three-dimensional surface plot of grid including Test Unit 1, from a cesium magnetometer;   Resistivity image of room block at Adobe Pueblo;   A resistivity contour map and three-dimensional surface plot of grid including Test Unit 1;
GPR profile (colorized) from a 500 MHz antenna;   GPR profile (colorized) from a 500 MHz antenna;   GPR profile (colorized) from a 500 MHz antenna;
Magnetic soil susceptibility contour map (at 0.25 SI unit intervals);   Three-dimensional surface plot of magnetic soil susceptibility;    

Aztec Ruin (LA1674)

Magnetic image showing planned road and anomalies of unknown structures;   Resistance image indicating strong anomalies in area of planned road;    

Escondido Pueblo (FB9569)

Magnetic gradiometry survey results. Faint hints of linear features are evident throughout, most likely adobe walls of enhanced magnetic susceptibility   Close up view of a likely burned structure found with the magnetic instrument   Filtered magnetic susceptibility data reveals linear trends possibly representing structures and garden plots
Magnetic susceptibility data revealing linear trends possible representing structures and garden plots   Circular trends appear in the unprocessed conductivity data possibly representing adobe pitstructures   Close-up of conductivity data and GPR data showing an adobe structure. Adobe, which is highly conductive is represented by black. Why does the entire roomblock visible in GPR (made of adobe) not appear in conductivity?
Filtered GPR data enhances the linear alignments of room blocks at a depth of .25 to .5 m   Close up view of structures found with the GPR   Color composite simultaneously displays ground penetrating radar (tinted red), soil conductivity (green) magnetic susceptibility (blue) results through GIS produced transparent overlays

Hungo Pavi (Chaco Canyon National Monument)

Radar echoes from subsurface targets at Hungo Pavi;        

Pueblo Alto (Chaco Canyon National Monument)

Resistivity profile across causeway at Pueblo Alto;        

Pueblo Site

GPR time slices from a pueblo near Los Alamos, New Mexico;   Interpretation of GPR time slices from a pueblo near Los Alamos, New Mexico;    

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

NORTH DAKOTA

Big Hidatsa (Knife River Indian Villages National Historic Site)

Composite gray-scale (colorized) map of Big Hidatsa Village, scale interval 2 nT;        

Double Ditch Indian Village State Park (32BL8)

Magnetic image from Double Ditch, ND, showing areas surveyed in 2000 and 2001, numerous houses, borrow pits, at least four fortification systems, and other features.

 

   Magnetic image from Double Ditch, ND, showing detail of three of the fortification ditches and bastions.   Magnetic image from Double Ditch, ND, showing evidence of closely spaced rectangular houses.
Magnetic image from Double Ditch, ND, showing a large borrow pit area.   Magnetic image from Double Ditch, ND, showing evidence of closely spaced circular houses.
  Resistivity image from Double Ditch, ND, showing areas surveyed in 2000 and 2001, numerous houses, borrow pits, at least four fortification systems, and other.
Resistivity image from Double Ditch, ND, showing detail of three of the fortification ditches and bastions.   Resistivity image from Double Ditch, ND, showing evidence of a rectangular house by a high resistance zone of eroded roof sediments.   Comparison between 1906 excavation plan made by Will and Spinden with resistivity results at Double Ditch, ND.

Electromagnetic conductivity image showing features and interpretations
at Double Ditch, ND.

 

        

Flaming Arrow (32ML4)

Magnetic image, village features and interpretations, Flaming Arrow Village, ND;   Resistance image, village features and interpretations, Flaming Arrow Village, ND.    

The Garden Coulee Site (32WI18)

Resistivity data with overlaid magnetic gradient dtata for the Garden Coulee site, ND;   magnetic data and artifact density overalaid on the results of the resistivity survey;    

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;        

Ward Village (32BL3)

Magnetic gray-scale image (colorized) and 3D surface plot, 3 surface house depressions, Ward Village, ND;   Resistance gray-scale image (colorized) and 3D surface plot, 3 surface house depressions, Ward Village, ND;    

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

OKLAHOMA

Deer Creek Site (34KA3) (1)

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

Odessa-Yates (34BV100)

Magnetic data from the eastern survey area at the Odessa-Yates Site in 2000;   Magnetic map of Feature 2000-1;   Combined resistance and magnetic data from the 2000 season at the Odessa-Yates Site;
Combined map of magnetic and resistance data from the 1998 season at the Odessa-Yates Site;   Resistance map from a portion of the Odessa-Yates Site in 1998;  

1998 and 1999 results of the resistance survey at the Odessa-Yates Site;
GPR time slice plot (a horizontal planview isolating specific depths) showing a circular anomaly coinciding with a resistance and magnetic anomaly;        

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SOUTH CAROLINA

Silver Bluff Plantation (38AK7)

Magnetic data from the survey of the Silver Bluff Plantation shows the extent of historic iron artifact scatter   Close-up view of possible archaeological linear anomalies that can be seen after data processing   Linear features are apparent in the resistance data indicating possible wall foundations and roads
Three slices of GPR data reveal different feature types at different depths (plow scars, linear features, and structure foundations)        

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

UTAH

Coder Site

GPR time slice (colorized) from the Coder Site at 4.08-7.92 nS (4-19.4 nS=15-200 cm depth);   GPR time slice (colorized) from the Coder Site at 7.92-11.84 nS (4-19.4 nS=15-200 cm depth);   GPR time slice (colorized) from the Coder Site at 11.84-15.68 nS (4-19.4 nS=15-200 cm depth);

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WYOMING

48WE917

Results of a portion of the magnetic survey revealing a number of discrete clusters of anomalies;   Electrical resistance survey was tested over a small (20-x-20m) area within an area containing magnetic anomalies suspected to be caused by hearth, house, and pit features;    

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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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