Bowditch, Charles P, Hagar, Stansbury · United States : [s.l.] · leaf 156
HWb B A Fig. 3. Naranjo, stela 29. 394 AMERICAN ANTHROPOLOGIST [n. s., 30, 1928 (692 a.d.) every city that was erecting monuments had adopted it. Period 3. Revolt.—From 9.16.5.0.0 to the latest dates (756 a.d.to 878 a.d.). At the beginning of this period Copan abandonedthe standard lunar year and…