North American Database of Archaeological Geophysics
North American Database of Archaeological Geophysics
Graphic/Image:
Project Name: San Lorenzo, Veracruz, Mexico;
Reference: Breiner, S. and M.D. Coe. (1972). Magnetic Exploration of the Olmec Civilization. American Scientist. 60:566-575 (used with permission).
Contour map of total magnetic intensity of a grid containing a colossal Olmec head (Monument 53). The anomaly caused by the head is indicated by the triangle marker at the top of the map.