North American Database of Archaeological Geophysics
North American Database of Archaeological Geophysics
Graphic/Image:
Project Name: Cahokia Mounds State Historic Site, IL;
Reference: Dalan, R.A. and B.W. Bevan (1998). Directionality of Geophysical Parameters as an Indicator of Cultural and Natural Deposits: Experiments at the Cahokia Mounds Site. Office of Contract Archaeology, Southern Illinois University at Edwardsville, Edwardsville, Illinois. Geosight, Pitman, New Jersey. Submitted to Illinois Historic Preservation Agency, Springfield, Illinois.
Azimuthal seismic refraction measurements at location 1. Seismic refraction lines were conducted at 45 degree intervals as indicated. Velocities (in m/s) are indicated for the first and second velocity layers.