Thermal Imaging Results

The survey was conducted by walking mapped transects, sweeping the thermal imager across paths 25 feet in width.   This transect width provided adequate overlap between sweeps resulting in complete survey coverage.

Three anomalies were noted and mapped in the northern portion of the field, near the area that was most likely to contain the Andersons’ graves.   One anomaly was an irregular circle that on visual inspection showed signs of surface disturbance suggesting that it was an anthill.

Both of the remaining anomalies appeared in thermal images as the outlines of large, regularly shaped ovals measuring approximately 5-x-20 feet.   The features were located almost 150 feet apart.   Neither feature was evident on the ground surface in visible light, and neither appeared to be the remains of an extensive excavation such as a grave shaft.   They may instead have been garden features of some sort.

Below is the image of one of the anomalies.

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