North American Database of Archaeological Geophysics
North American Database of Archaeological Geophysics
Graphic/Image:
Project Name: Gunzenhauser Site (13DT110), IA;
Reference: De Vore, S. L. (1999). Magnetic Gradient and Resistance Surveys at 13DT110 (Gunzenhauser Site), Decatur County, Iowa. Cultural Resources and National Register Program Services, Intermountain Support Office, Santa Fe, National Park Service, Santa Fe, New Mexico. Prepared for Long Distance Trails Office, National Park Service, Salt Lake City, Utah.
Resistivity data from the Gunzenhauser Site. The resistance data indicated that the ridge top within the site boundary was composed of slightly higher resistive material than the side slopes. The higher resistive area extends across the central and eastern portions of the geophysical grid; however along the western edge, in the location of the magnetic gradient disturbance, the higher resistive area becomes less distinct and possibly more variable indicating an area of greater disturbance. Also noted in the data are several linear low resistance anomalies running east-west along the south side of the grid in the field. These linear anomalies apparently represent plow furrows. They were also noted as linear depressions in the field during survey.