North American Database of Archaeological Geophysics
North American Database of Archaeological Geophysics
Graphic/Image:
Project Name: Effigy Mounds, IA (3);
Reference: De Vore S.L. (1999). Investigations at Effigy Mounds National Monument during the 1999 "Recent Advances in Archeological Prospection Techniques" Workshop, May 10-14, 1999. Cultural Resources and National Register Program Services, Intermountain Support Office, Santa Fe, New Mexico. Submitted to Effigy Mounds National Monument, Harpers Ferry, Iowa.
Electromagnetic conductivity image, Conical Mound 45, Effigy Mounds National Monument, IA