North American Database of Archaeological Geophysics
North American Database of Archaeological Geophysics
Graphic/Image:
Project Name: Effigy Mounds, IA (1);
Reference: Bevan, B. (1999). Some Geophysical Experiments at Effigy Mounds. Geosight, Weems, Virginia. Submitted to the Midwest Archeological Center, U.S. National Park Service, Lincoln, Nebraska.
Corrections to the self-potential measurements. The drift of the plaster electrodes has been mostly corrected, and then the repeated measurements with those electrodes have been averaged. The three anomalies correlate with three known features.