North American Database of Archaeological Geophysics

Image Library (by geophysical survey type): Electrical Resistance/Resisitivity

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

Project images sorted alphabetically by state or country; within each by site name

ARKANSAS

Arkansas Post National Memorial

Resistance map with anomalous area and linear feature marked;

Bozeman Cemetery

Resistance image (50 cm depth) showing numerous graves and locus of GPR survey, Bozeman Cemetery, AR;

Greenbrier Site (3IN1)

Resistance image, Greenbrier Site, AR;

Resistance image, Greenbrier Site, AR;

Lake Dumond

Contour map showing the results of the resistance survey (1 ohm interval);

Shaded contour map showing the results of the resistance survey in Block N;

Shaded contour map showing the results of the resistance survey in Block U;

Mount Comfort Church

Electrical resistivity survey area revealing the foundation of the historic church in the upper right area as well as a number of roads, tracks, and other features;

A detailed examination of the church area shows its outline and interior support piers, all probably of more resistant brick;

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

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;

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CALIFORNIA

CA-ORA-116

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

Bent Canyon Stage Stop (5LA3179)

Resistivity survey results at the Bent Canyon Stage Stop;

Bent's Old Fort National Historic Site

Resistivity data at 1 meter depth from a cemetery at Bent's Old Fort;

Fort Crawford Cemetery

Resistance data reveals ditches, roads, and the possible outline of the cemetery.

Kaplan-Hoover (5LR3953)

Electrical resistivity at the Kaplan-Hoover Site showing the gradient to the south and zones interpreted as the likeliest possible candidates for arroyos;

Magic Mountain (5JF223)

Results of the resistivity survey at Magic Mountain;

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GEORGIA

Kasita Town (9CE1)

Resistance data shows a possible ditch feature and other linear anomalies

IDAHO

Aspen Site (Craters of the Moon National Monument)

Shade plot with high pass filter of the resistance data;

Contour and three dimensional surface maps of resistance data;

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ILLINOIS

Cahokia Mounds State Historic Site

The average resistivity at each sounding;

An analysis of the resistivity soundings;

A plot of the resistivity pseudosection;

Cahokia Mounds State Historic Site (3)

Surfer contour map of resistivity data.

GEOPLOT shade relief plot of resistance data.

Cahokia Mounds State Historic Site (4)

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;

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;

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INDIANA

Bellinger Mound (12SJ6)

Goodall Site (12LE9)

Mud Lake Site (12LE14)

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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IOWA

Daw Farm

Resistance data with contour lines overlain image map;

Effigy Mounds National Monument (1)

The electrical resistivity on line 1, taken with three different electrode spacings;

A resistivity pseudosection of line 1;

Effigy Mounds National Monument (3)

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;

Effigy Mounds National Monument (4)

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;

Gunzenhauser Site (13DT110)

Resistivity data from the Gunzenhauser Site;

Line plot and interpretation of resistivity sounding data;

Hitchcock House and Cabin (13CA46 and 13CA47)

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

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KANSAS

3D Ranch

Electrical resistance view of a probable 1860s barn foundation at the 3D Ranch site, near El Dorado, KS;

Army City (1)

Resistivity map of Army City;		Resistivity map of the Hippodrome Complex;		Resistivity map of a portion of the Southwestern Commercial District;
Resistivity map of the east-central portion of Army City;

Army City (2)

Overview of resistivity data at Army City, KS.		Vegetation marks of walls from the "Hippodrome" and resistivity image of area at Army City, KS.		Vegetation marks and resistivity image of building footers at Army City, KS
Close-up of resistance data. High resistance areas (black) probably represents building materials like concrete, stone or brick.		Color composite simultaneously portrays ground-penetrating radar (tinted red), electrical resistance (green), soil conductivity (cyan), and magnetic susceptibility (blue) results through GIS-produced transparent overlays

Bogan Site (14GE1)

House 2 resistance data from the Bogan Site;

Fort Scott National Historic Site (1)

Contour map of the resistivity data from Grid 1;

Contour map of the resistivity data from Grid 2;

Contour map of the resistivity data from Grid 3;

Fort Scott National Historic Site (3)

Interpretation of resistivity sounding data;

Sluss Cabin

Resistance image and profile, Sluss Cabin, KS;

Three-dimensional surface plot, resistance data, Sluss Cabin, KS;

Resistance data interpretations, Sluss Cabin, KS;

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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;

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MICHIGAN

Ayslum Lake Property

Resistiviy Data

Fort Wilkins State Park

Guard house resistivity data;

Carpenter shop and blacksmith resistivity data;

Pointe Aux Barques Lighthouse

Resistance image of lighthouse foundation.

Resistance image with magnetic susceptibility overlay.

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MINNESOTA

Waraju Distillery

Gray scale (colorized) and line trace representations of the resistance data from Waraju distillery;

Colored and contoured representation of the resistance data from Waraju distillery;

Wuamett Farmstead

Electrical resistance image showing overall anomalies in vicinity of farmyard, Wuamett Farmstead, MN;

Electrical resistance detail showing possible, and one certain, privy feature, Wuamett Farmstead, MN;

Electrical resistance details showing anomalies indicating possible farmyard outbuildings, Wuamett Farmstead, MN;

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MISSISSIPPI

Parchman Place (22CO511)

Composite of a Mississippian house at the Parchman site;

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MISSOURI

Iliniwek Village State Historic Site (1)

Resistance data from the Iliniwek Site providing a detailed picture of the village layout;

Magnetic contour data overlain on resistance image data;

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NEBRASKA

Fort Robinson State Park

East-west electrical resistivity survey map with Barracks 56 archeological test units superimposed;

North-south electrical resistivity survey map with Barracks 56 archeological test units superimposed;

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NEW JERSEY

Walton Cemetery

Analysis for the resistivity soundings performed along lines 200N and 235Eshows that the resistivity is high and the soil is weakly stratified.

NEW MEXICO

Adobe Pueblo Site (LA107488)

Resistivity image of room block at Adobe Pueblo;

A resistivity contour map and three-dimensional surface plot of grid including Test Unit 1;

Archaic Site (LA108027)

Resistivity image of survey grid at the Archaic Site;

Aztec Ruin (LA1674)

Resistance image indicating strong anomalies in area of planned road;

Cloudblower Site (LA89364)

Resistivity image of survey grids at the Cloudblower Site;

Cobble Pueblo Site (LA84429)

Resistivity image of survey grids at the Cobble Pueblo Site;

A resistivity contour map, including the placement of Test Unit 1, and a three-dimensional surface plot of the same area at the Cobble Pueblo Site;

Pithouse Site (LA53672)

Resistivity image of survey grids at the Pithouse Site;

A resistivity contour map and three-dimensional surface plot of the Test Unit 1 locality at the Pithouse Site;

Pueblo Alto (Chaco Canyon National Monument)

Resistivity profile across causeway at Pueblo Alto;

San Marcos Pueblo Historic Mission (LA98)

Combined resistivity and magnetic field gradient data collected over the site of the historic mission at Pueblo San Marcos;

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NEW YORK

Sylvester Manor

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

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NORTH DAKOTA

Double Ditch Indian Village State Park (32BL8)

Resistivity image showing features and interpretaions at Double Ditch Village State Park, ND;		Resistivity image from Double Ditch, ND, showing areas surveyed in 2000 and 2001; numerous houses, borrow pits, at least four fortification systems, and other features.		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;

Flaming Arrow (32ML4)

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

Fort Buford (State Historic Site)

Resistance image showing the enlisted barracks, mess hall, possible sink (latrine), and other anomalies;

Fort Clark Trading Post (32ME2)

Electrical resistivity results from Fort Clark Trading Post, 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)

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;

Jacob Dobmeier Brewery

Results of the resistivity survey at Central Park, Grand Forks, ND;

Interpretations overalaid on the results of the resistivity survey at Central Park, Grand Forks, ND;

Menoken Village State Historic Site (32BL2)

Results of the electrical resistivity survey at Menoken Village, ND;

Details of the electrical resistivity survey at Menoken Village, ND, showing trail features;

Correspondence of magnetic and resistance data with burned earth weight as revealed by excavations at House 17;

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

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;

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

Geophysical survey results in the earthlodge survey area;

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

Results of the resistivity survey of an earthlodge;

Primeau's Trading Post (Fort Clark State Historic Site, 32ME2)

Electrical resistance survey results at Primeau's Trading Post (mid- 19th century), near Washburn, ND, weakly showing the layout of the structure in gray scale (tinted red) and through shadowing of the raw data;

Ward Village (32BL3)

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

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OHIO

Great Hopewell Road

Results of resistivity survey showing linear anomalies that may represent the earthen wall enclosures of the Great Hopewell Road;

Resistance data set with a profile line drawn the entire 100 m expanse;

P Street Mound

A resistivity sounding near the P Street mound;

A resistivity pseudosection at the P Street mound;

Wright Memorial Mounds

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;

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OKLAHOMA

Odessa-Yates (34BV100)

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;		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;

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SOUTH CAROLINA

38SU45

Resistance image, 38SU45, Sumter County, SC;

38SU147

Resistance image, 38SU147, Sumter County, SC;

38SU215

Resistance image, 38SU215, Sumter County, SC;

38SU232

Resistance image, 38SU232, Sumter County, SC;

Silver Bluff Plantation (38AK7)

Linear features are apparent in the resistance data indicating possible wall foundations and roads

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SOUTH DAKOTA

Little Pumpkin Village (39HU97)

Electrical resistivity maps within Little Pumpkin Village showing a circular anomaly that appears at prospecting depths of 0.5 and 1.0 m;

Whistling Elk Village (39HU242)

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;
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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TEXAS

Kaufman-Roitsch (41RR16)

Resistivity at the Kaufman-Roitsch Site, TX, showing the disturbed area of the excavated burial and indication of a linear anomaly, probably a trail;

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VIRGINIA

Booker T. Washington's Birthplace Cabin (Booker T. Washington National Monument)

Resistivity data from Booker T. Washington's birthplace cabin with distinct anomalies A-E;

Burroughs Cemetery (Booker T. Washington National Monument)

Resistivity data from the Burroughs Cemetery and Vicinity;

Falling Creek Ironworks (44CF7)

Results of the resistivity survey;

Fort Morton (Petersburg National Battlefield)

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;

Historic Slave Quarters Core Area (Booker T. Washington National Monument)

Resistivity data from the Historic Slave Quarters Core Area;

Jamestown Island (Brewhouse Area)

Resistivity data at the Brewhouse Area;

A resistivity sounding and its analysis;

Sparks Cemetery (Booker T. Washington National Monument)

Resistivity data from Sparks Cemetery;

St. George Tucker House

Electrical resistance at the Tucker House Garden;

Taylor House (Petersburg National Battlefield)

The electrical resistivity of the soil at the Taylor House;		A smoothed resistivity map of the Taylor House;		A plot of the resistivity sounding at the Taylor House;
Calculated resistivity soundings for two layers;

Yorktown

Results of the resistivity survey;

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WASHINGTON

Fort Vancouver, Washington (1)

Image showing approximate location of survey grids and former structures;		Electrical resistance image after processing with despiking and a high-pass filter;		Orthographic projection of electrical resistance image;
Electrical resistance image after a large-radius, high-pass filter and interpretations of selected anomalies;		Possible location of a former structure, discovered through further image processing;		Interpretation of anomaly that may be a former structure;

Fort Vancouver, Washington (2)

Resistivity plot and model for data from resistivity line 1;	Resistivity plot and model for data from resistivity line 2;
Three-layer electrical stratification of resistivity line 1;	Three-layer electrical stratification of resistivity line 2;

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WEST VIRGINIA

Merritt Cemetery

Resistance image showing graves as low values (blues);

WYOMING

48TE1077

Contour map of resistivity survey grids (1 ohm interval) showing the location of Feature A;

Three-dimensional surface plot of resistivity survey grids (1 ohm interval);

Shaded relief map of resistivity survey (1 ohm inteval);

48TE1078

Contour map of resistivity survey grids (5 ohms interval);

Three-dimensional surface plot of resistivity survey grids at 48TE1078 (5 ohms interval);

Shaded relief map of the resistivity survey grids that suggests a small area of densely packed soil on the eastern edge of the grids and an area with poor probe contact on the southern border of the grids;

48TE1079

Contour map of resistivity survey grids (5 ohm interval) showing possible Feature A;

Three-dimensional surface plot of resistivity survey grids (5 ohm interval);

Shaded relief map of the resistivity survey grids showing a possible paleochannel trending southwest to northeast;

48TE1080

Resistance contour map (5 ohms interval) showing two-track field road;

Resistance 3D surface plot (5 ohms interval) showing two-track surface road from SW to NE;

Resistance shade plot showing two-track field road;

48WE917

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;

Fort Laramie National Historic Site

Magnetic/Resistance image, Fort Laramie National Historic Site, WY;

Resistance image, Fort Laramie National Historic Site, WY;

Fort Laramie National Historic Site (3)

Resistivity contour and image plots for the 0.5 probe separation distance;		Resistivity contour and image plots for the 1.0 probe separation distance;		VES resistivity plot and computer generated model;
Electrical stratification of VES data;

Kane Cemetery (48BH3104)

Mitchell Site (48TE1375)

Resistance contour map (1 ohm interval) showing general trend to the NE;

Resistance 3D surface plot (1 ohm interval) showing trend to the NE;

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PUERTO RICO

Tibes

Resistivity image of north grids showing the location of trails and a possible house feature;		Analytical hillshading of resistivity data from west4 grids, with identified anomalies;		Resistivity image of west4 grids with identified anomalies;
Resistivity image of eastern grids with identified anomalies;

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MEXICO

Teotihuacan

Resistivity and magnetic profiles of TEO-1;

Resistivity and magnetic profiles of TEO-4;

Resistivity and magnetic profiles of TEO-5;

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